Saint-Astier Natural Hydraulic Lime (NHL)
Inquire about bulk purchases for pallet pricing and freight rates.
Due to the nature of the material, sales of all building lime products are final.
Description
Saint-Astier Natural Hydraulic Lime (NHL) has been in production for over 150 years and is globally recognized for its unique characteristics due to the high degree of natural purity of the raw materials.
Natural Hydraulic Lime (NHL) is made from limestone containing trace amounts of other minerals, which enable a hydraulic set. They are supplied as dry powders, and when water is added, they begin to set through a chemical reaction known as hydration.
Like with many traditional building materials, NHL can be manipulated and mixed, so it can be used to make limewashes, mortars, renders, stuccos, plasters, grouts, and more depending on adjacent materials, substrates, the environment, and the desired outcome.
Strength Characteristics & Areas of Use
Natural Hydraulic Lime (NHL) is a versatile material that can used in different ways. It is produced in 3 standard grades based on compressive strength, NHL 2, NHL 3.5, and NHL 5, each with their own uses and advantages. Always make a test to ensure the desired outcome.
NHL 2 - Feebly hydraulic, used when elasticity, low strength or high vapor exchange are desirable. Use for finishes, plasters, mortars for weak stones, lime renders.
NHL 3.5 - Moderately hydraulic, recommended when moderate strength and better freeze-thaw resistance are required. Use for base coats, mortars for stone work, laying or repointing brick, stone and terra cotta units, even in extreme freeze-thaw climate cycles. Can be used to make scratch, brown and finish coats of exterior stucco.
NHL 5 - Eminently hydraulic, specified when strength and high freeze-thaw resistance are necessary. Use for slabs, mortars for hard stones, building or repairing wall head copings, pointing and parging the water table or foundation of a building and making lime concrete. Sea-bearing walls can be built and repaired with NHL 5 since it has only trace amounts of soluble salts.
Mixing & Coverage
Determining the right mixing ratios and material quantities for a particular project can depend on a number of variables. See the Special Precautions Guidelines and Technical Documents below for more details.
Special Precautions Guidelines
Documents
Technical Data Sheets | Fiches techniques
Safety Data Sheets | Fiches de données de sécurité
Declaration of Performance | Déclaration des performances
Excell Zone Verte Certificate | Certificat Excell Zone Verte
Need Pre-mixed material?
Check out the Limeworks premixed Ecologic Mortar, based on Saint-Astier Natural Hydraulic Lime.
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They are supplied as dry powders, and \u003cmeta charset=\"utf-8\"\u003ewhen water is added, they begin to set through a chemical reaction known as hydration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLike with many traditional building materials, NHL can be manipulated and mixed, so it can be used to make limewashes, mortars, renders, stuccos, plasters, grouts, and more depending on adjacent materials, substrates, the environment, and the desired outcome.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eStrength Characteristics \u0026amp; Areas of Use\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eNatural Hydraulic Lime (NHL) is a versatile material that can used in different ways.\u003c\/strong\u003e It is produced in 3 standard grades based on compressive strength, NHL 2, NHL 3.5, and NHL 5, each with their own uses and advantages. \u003cstrong\u003eAlways make a test\u003c\/strong\u003e to ensure the desired outcome.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eNHL 2\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e - \u003cmeta charset=\"utf-8\"\u003eFeebly hydraulic, used when elasticity, low strength or high vapor exchange are desirable. Use for finishes, plasters, mortars for weak stones, lime renders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eNHL 3.5\u003c\/strong\u003e - \u003cmeta charset=\"utf-8\"\u003eModerately hydraulic, recommended when moderate strength and better freeze-thaw resistance are required. Use for base coats, mortars for stone work, \u003cmeta charset=\"utf-8\"\u003e laying or repointing brick, stone and terra cotta units, even in extreme freeze-thaw climate cycles. Can be used to make scratch, brown and finish coats of exterior stucco.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eNHL 5\u003c\/strong\u003e - E\u003cmeta charset=\"utf-8\"\u003eminently hydraulic, specified when strength and high freeze-thaw resistance are necessary. Use for slabs, mortars for hard stones, \u003cmeta charset=\"utf-8\"\u003e building or repairing wall head copings, pointing and parging the water table or foundation of a building and making lime concrete. Sea-bearing walls can be built and repaired with NHL 5 since it has only trace amounts of soluble salts.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMixing \u0026amp; Coverage\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDetermining the right mixing ratios and material quantities for a particular project can depend on a number of variables.\u003c\/strong\u003e See the Special Precautions Guidelines and Technical Documents below for more details.\u003c\/p\u003e\n\u003ch5\u003eSpecial Precautions Guidelines\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Saint-Astier Special Precautions Guidelines\" href=\"https:\/\/www.saint-astier.co.uk\/special-precautions\/\" target=\"_blank\"\u003eSaint-Astier Special Precautions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Précautions particulières de Saint-Astier\" href=\"https:\/\/www.saint-astier.com\/precautions-particulieres\/\" target=\"_blank\"\u003ePrécautions particulières de Saint-Astier\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eDocuments\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Data Sheets | Fiches techniques\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSaint-Astier NHL 2 - \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-TDS-EN.pdf?v=1712256420\" title=\"Saint-Astier NHL 2 Technical Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eTDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-TDS-FR.pdf?v=1712256428\" title=\"Fiche technique NHL 2 Saint-Astier\" rel=\"noopener\" target=\"_blank\"\u003eFT\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSaint-Astier NHL 3.5 - \u003cspan\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-TDS-EN.pdf?v=1712256462\" title=\"Saint-Astier NHL 3.5 Technical Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eTDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-TDS-FR.pdf?v=1712256461\" title=\"Fiche technique NHL 3.5 Saint-Astier\" rel=\"noopener\" target=\"_blank\"\u003eFT\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eSaint-Astier NHL 5 - \u003cspan\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-TDS-EN.pdf?v=1712256457\" title=\"Saint-Astier NHL 5 Technical Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eTDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-TDS-FR.pdf?v=1712256458\" title=\"Fiche technique NHL 5 Saint-Astier\" rel=\"noopener\" target=\"_blank\"\u003eFT\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Data Sheets | Fiches de données de sécurité\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 2 - \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-SDS-EN.pdf?v=1712256403\" title=\"Saint-Astier NHL 2 Safety Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eSDS\u003c\/a\u003e | \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-SDS-FR.pdf?v=1747413357\" title=\"Fiche de données de sécurité NHL 2 Saint-Astier\" target=\"_blank\"\u003eFDS\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 3.5\u003cmeta charset=\"utf-8\"\u003e - \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-SDS-EN.pdf?v=1712256462\" title=\"Saint-Astier NHL 3.5 Safety Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eSDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-SDS-FR.pdf?v=1747413365\" title=\"Fiche de données de sécurité NHL 3.5 Saint-Astier\"\u003eFDS\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSaint-Astier NHL 5\u003cmeta charset=\"utf-8\"\u003e - \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-SDS-EN.pdf?v=1712256459\" title=\"Saint-Astier NHL 5 Safety Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eSDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-SDS-FR.pdf?v=1747413371\" title=\"Fiche de données de sécurité NHL 5 Saint-Astier\"\u003eFDS\u003c\/a\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDeclaration of Performance | Déclaration des performances\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 2 - \u003ca rel=\"noopener\" title=\"Saint-Astier NHL 2 Declaration of Performance\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-DoP-EN.pdf?v=1747348694\" target=\"_blank\"\u003eDoP\u003c\/a\u003e | \u003ca rel=\"noopener\" title=\"Déclaration de performances NHL 2 Saint-Astier\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-DoP-FR.pdf?v=1747348694\" target=\"_blank\"\u003eDOP\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 3.5\u003cmeta charset=\"utf-8\"\u003e - \u003ca rel=\"noopener\" title=\"Saint-Astier NHL 3.5 Declaration of Performance\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-DoP-EN.pdf?v=1747348705\" target=\"_blank\"\u003eDoP\u003c\/a\u003e | \u003ca title=\"Déclaration de performances NHL 3.5 Saint-Astier\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-DoP-FR.pdf?v=1747348705\"\u003eDOP\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 5\u003cmeta charset=\"utf-8\"\u003e - \u003ca rel=\"noopener\" title=\"Saint-Astier NHL 5 Declaration of Performance\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-DoP-EN.pdf?v=1747348711\" target=\"_blank\"\u003eDoP\u003c\/a\u003e | \u003ca rel=\"noopener\" title=\"Déclaration de performances NHL 5 Saint-Astier\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-DoP-FR.pdf?v=1747348711\" target=\"_blank\"\u003eDOP\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eExcell Zone Verte Certificate | Certificat Excell Zone Verte\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 2 - \u003ca rel=\"noopener\" title=\"Excell Zone Verte Saint-Astier NHL 2\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-Excell-Zone-Verte-Certificate.pdf?v=1747348694\" target=\"_blank\"\u003eEZV\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 3.5\u003cmeta charset=\"utf-8\"\u003e - \u003ca rel=\"noopener\" title=\"Excell Zone Verte Saint-Astier NHL 3.5\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-Excell-Zone-Verte-Certificate.pdf?v=1747348705\" target=\"_blank\"\u003eEZV\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 5\u003cmeta charset=\"utf-8\"\u003e - \u003ca rel=\"noopener\" title=\"Excell Zone Verte Saint-Astier NHL 5\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-Excell-Zone-Verte-Certificate.pdf?v=1747348711\" target=\"_blank\"\u003eEZV\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eNeed Pre-mixed material?\u003c\/h5\u003e\n\u003cp\u003eCheck out the Limeworks premixed \u003ca href=\"https:\/\/sagerestoration.com\/collections\/building-lime\/products\/ecologic-premixed-lime-mortar\"\u003eEcologic Mortar\u003c\/a\u003e, based on Saint-Astier Natural Hydraulic Lime.\u003c\/p\u003e","published_at":"2023-07-28T15:59:28-04:00","created_at":"2023-05-02T13:27:05-04:00","vendor":"Saint-Astier","type":"Building Lime","tags":[],"price":8900,"price_min":8900,"price_max":10900,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":40322046066734,"title":"NHL 2","option1":"NHL 2","option2":null,"option3":null,"sku":"NHL2-55","requires_shipping":true,"taxable":true,"featured_image":{"id":30476263915566,"product_id":6880971292718,"position":2,"created_at":"2023-07-27T15:00:48-04:00","updated_at":"2023-07-27T15:02:13-04:00","alt":null,"width":1024,"height":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-2.jpg?v=1690484533","variant_ids":[40322046066734]},"available":false,"name":"Saint-Astier Natural Hydraulic Lime (NHL) - NHL 2","public_title":"NHL 2","options":["NHL 2"],"price":10900,"weight":24948,"compare_at_price":null,"inventory_quantity":0,"inventory_management":"shopify","inventory_policy":"deny","barcode":"","featured_media":{"alt":null,"id":22797947764782,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-2.jpg?v=1690484533"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":40322046099502,"title":"NHL 3.5","option1":"NHL 3.5","option2":null,"option3":null,"sku":"NHL35-55","requires_shipping":true,"taxable":true,"featured_image":{"id":30476263948334,"product_id":6880971292718,"position":3,"created_at":"2023-07-27T15:00:48-04:00","updated_at":"2023-07-27T15:02:13-04:00","alt":null,"width":1024,"height":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-3.5.jpg?v=1690484533","variant_ids":[40322046099502]},"available":true,"name":"Saint-Astier Natural Hydraulic Lime (NHL) - NHL 3.5","public_title":"NHL 3.5","options":["NHL 3.5"],"price":8900,"weight":24948,"compare_at_price":null,"inventory_quantity":189,"inventory_management":"shopify","inventory_policy":"deny","barcode":"","featured_media":{"alt":null,"id":22797947797550,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-3.5.jpg?v=1690484533"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":40322046132270,"title":"NHL 5","option1":"NHL 5","option2":null,"option3":null,"sku":"NHL5-55","requires_shipping":true,"taxable":true,"featured_image":{"id":30476263882798,"product_id":6880971292718,"position":4,"created_at":"2023-07-27T15:00:48-04:00","updated_at":"2023-07-27T15:02:13-04:00","alt":null,"width":1024,"height":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-5.jpg?v=1690484533","variant_ids":[40322046132270]},"available":true,"name":"Saint-Astier Natural Hydraulic Lime (NHL) - NHL 5","public_title":"NHL 5","options":["NHL 5"],"price":9900,"weight":24948,"compare_at_price":null,"inventory_quantity":76,"inventory_management":"shopify","inventory_policy":"deny","barcode":"","featured_media":{"alt":null,"id":22797947830318,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-5.jpg?v=1690484533"}},"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-Bags.jpg?v=1690484533","\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-2.jpg?v=1690484533","\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-3.5.jpg?v=1690484533","\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-5.jpg?v=1690484533"],"featured_image":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-Bags.jpg?v=1690484533","options":["Material"],"media":[{"alt":null,"id":22797947863086,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-Bags.jpg?v=1690484533"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-Bags.jpg?v=1690484533","width":1024},{"alt":null,"id":22797947764782,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-2.jpg?v=1690484533"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-2.jpg?v=1690484533","width":1024},{"alt":null,"id":22797947797550,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-3.5.jpg?v=1690484533"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-3.5.jpg?v=1690484533","width":1024},{"alt":null,"id":22797947830318,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-5.jpg?v=1690484533"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/sagerestoration.com\/cdn\/shop\/files\/Saint-Astier-Lime-NHL-5.jpg?v=1690484533","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e\u003cspan style=\"color: #669900;\"\u003eInquire about bulk purchases for pallet pricing and freight rates.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #990000;\"\u003eDue to the nature of the material, sales of all building lime products are final.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eSaint-Astier Natural Hydraulic Lime (NHL) has\u003cspan\u003e been in production for over \u003cstrong\u003e150 years\u003c\/strong\u003e and is\u003c\/span\u003e \u003cstrong\u003eglobally recognized\u003c\/strong\u003e for its unique characteristics due to the \u003cstrong\u003ehigh degree of natural purity\u003c\/strong\u003e of the raw materials\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eNatural Hydraulic Lime (NHL) is made from limestone containing trace amounts of other minerals, which enable a hydraulic set. They are supplied as dry powders, and \u003cmeta charset=\"utf-8\"\u003ewhen water is added, they begin to set through a chemical reaction known as hydration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLike with many traditional building materials, NHL can be manipulated and mixed, so it can be used to make limewashes, mortars, renders, stuccos, plasters, grouts, and more depending on adjacent materials, substrates, the environment, and the desired outcome.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eStrength Characteristics \u0026amp; Areas of Use\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eNatural Hydraulic Lime (NHL) is a versatile material that can used in different ways.\u003c\/strong\u003e It is produced in 3 standard grades based on compressive strength, NHL 2, NHL 3.5, and NHL 5, each with their own uses and advantages. \u003cstrong\u003eAlways make a test\u003c\/strong\u003e to ensure the desired outcome.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eNHL 2\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e - \u003cmeta charset=\"utf-8\"\u003eFeebly hydraulic, used when elasticity, low strength or high vapor exchange are desirable. Use for finishes, plasters, mortars for weak stones, lime renders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eNHL 3.5\u003c\/strong\u003e - \u003cmeta charset=\"utf-8\"\u003eModerately hydraulic, recommended when moderate strength and better freeze-thaw resistance are required. Use for base coats, mortars for stone work, \u003cmeta charset=\"utf-8\"\u003e laying or repointing brick, stone and terra cotta units, even in extreme freeze-thaw climate cycles. Can be used to make scratch, brown and finish coats of exterior stucco.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eNHL 5\u003c\/strong\u003e - E\u003cmeta charset=\"utf-8\"\u003eminently hydraulic, specified when strength and high freeze-thaw resistance are necessary. Use for slabs, mortars for hard stones, \u003cmeta charset=\"utf-8\"\u003e building or repairing wall head copings, pointing and parging the water table or foundation of a building and making lime concrete. Sea-bearing walls can be built and repaired with NHL 5 since it has only trace amounts of soluble salts.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMixing \u0026amp; Coverage\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eDetermining the right mixing ratios and material quantities for a particular project can depend on a number of variables.\u003c\/strong\u003e See the Special Precautions Guidelines and Technical Documents below for more details.\u003c\/p\u003e\n\u003ch5\u003eSpecial Precautions Guidelines\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Saint-Astier Special Precautions Guidelines\" href=\"https:\/\/www.saint-astier.co.uk\/special-precautions\/\" target=\"_blank\"\u003eSaint-Astier Special Precautions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Précautions particulières de Saint-Astier\" href=\"https:\/\/www.saint-astier.com\/precautions-particulieres\/\" target=\"_blank\"\u003ePrécautions particulières de Saint-Astier\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eDocuments\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Data Sheets | Fiches techniques\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSaint-Astier NHL 2 - \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-TDS-EN.pdf?v=1712256420\" title=\"Saint-Astier NHL 2 Technical Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eTDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-TDS-FR.pdf?v=1712256428\" title=\"Fiche technique NHL 2 Saint-Astier\" rel=\"noopener\" target=\"_blank\"\u003eFT\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSaint-Astier NHL 3.5 - \u003cspan\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-TDS-EN.pdf?v=1712256462\" title=\"Saint-Astier NHL 3.5 Technical Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eTDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-TDS-FR.pdf?v=1712256461\" title=\"Fiche technique NHL 3.5 Saint-Astier\" rel=\"noopener\" target=\"_blank\"\u003eFT\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eSaint-Astier NHL 5 - \u003cspan\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-TDS-EN.pdf?v=1712256457\" title=\"Saint-Astier NHL 5 Technical Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eTDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-TDS-FR.pdf?v=1712256458\" title=\"Fiche technique NHL 5 Saint-Astier\" rel=\"noopener\" target=\"_blank\"\u003eFT\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Data Sheets | Fiches de données de sécurité\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 2 - \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-SDS-EN.pdf?v=1712256403\" title=\"Saint-Astier NHL 2 Safety Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eSDS\u003c\/a\u003e | \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-SDS-FR.pdf?v=1747413357\" title=\"Fiche de données de sécurité NHL 2 Saint-Astier\" target=\"_blank\"\u003eFDS\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 3.5\u003cmeta charset=\"utf-8\"\u003e - \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-SDS-EN.pdf?v=1712256462\" title=\"Saint-Astier NHL 3.5 Safety Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eSDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-SDS-FR.pdf?v=1747413365\" title=\"Fiche de données de sécurité NHL 3.5 Saint-Astier\"\u003eFDS\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSaint-Astier NHL 5\u003cmeta charset=\"utf-8\"\u003e - \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-SDS-EN.pdf?v=1712256459\" title=\"Saint-Astier NHL 5 Safety Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eSDS\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-SDS-FR.pdf?v=1747413371\" title=\"Fiche de données de sécurité NHL 5 Saint-Astier\"\u003eFDS\u003c\/a\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDeclaration of Performance | Déclaration des performances\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 2 - \u003ca rel=\"noopener\" title=\"Saint-Astier NHL 2 Declaration of Performance\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-DoP-EN.pdf?v=1747348694\" target=\"_blank\"\u003eDoP\u003c\/a\u003e | \u003ca rel=\"noopener\" title=\"Déclaration de performances NHL 2 Saint-Astier\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-DoP-FR.pdf?v=1747348694\" target=\"_blank\"\u003eDOP\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 3.5\u003cmeta charset=\"utf-8\"\u003e - \u003ca rel=\"noopener\" title=\"Saint-Astier NHL 3.5 Declaration of Performance\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-DoP-EN.pdf?v=1747348705\" target=\"_blank\"\u003eDoP\u003c\/a\u003e | \u003ca title=\"Déclaration de performances NHL 3.5 Saint-Astier\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-DoP-FR.pdf?v=1747348705\"\u003eDOP\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 5\u003cmeta charset=\"utf-8\"\u003e - \u003ca rel=\"noopener\" title=\"Saint-Astier NHL 5 Declaration of Performance\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-DoP-EN.pdf?v=1747348711\" target=\"_blank\"\u003eDoP\u003c\/a\u003e | \u003ca rel=\"noopener\" title=\"Déclaration de performances NHL 5 Saint-Astier\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-DoP-FR.pdf?v=1747348711\" target=\"_blank\"\u003eDOP\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eExcell Zone Verte Certificate | Certificat Excell Zone Verte\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 2 - \u003ca rel=\"noopener\" title=\"Excell Zone Verte Saint-Astier NHL 2\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-2-Excell-Zone-Verte-Certificate.pdf?v=1747348694\" target=\"_blank\"\u003eEZV\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 3.5\u003cmeta charset=\"utf-8\"\u003e - \u003ca rel=\"noopener\" title=\"Excell Zone Verte Saint-Astier NHL 3.5\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-3.5-Excell-Zone-Verte-Certificate.pdf?v=1747348705\" target=\"_blank\"\u003eEZV\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaint-Astier NHL 5\u003cmeta charset=\"utf-8\"\u003e - \u003ca rel=\"noopener\" title=\"Excell Zone Verte Saint-Astier NHL 5\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2015\/7855\/files\/Saint-Astier-NHL-5-Excell-Zone-Verte-Certificate.pdf?v=1747348711\" target=\"_blank\"\u003eEZV\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eNeed Pre-mixed material?\u003c\/h5\u003e\n\u003cp\u003eCheck out the Limeworks premixed \u003ca href=\"https:\/\/sagerestoration.com\/collections\/building-lime\/products\/ecologic-premixed-lime-mortar\"\u003eEcologic Mortar\u003c\/a\u003e, based on Saint-Astier Natural Hydraulic Lime.\u003c\/p\u003e"}
Saint-Astier Natural Hydraulic Lime (NHL)
Sale price$89.00