Support

Discover all the documents you need to complete your blue stone projects

Our exclusive support for blue stone professionals gives you one-stop access to all the documents you need. Whether you're an architect, builder or stonemason, you'll find a wealth of valuable information here to support you throughout your project.

ATG - Technical Approval

	Reference	Unit	Average	Standard deviation	n (1)	E- or E+
Density	NBN EN 1936: 2007	kg/m³	2691	6	49	2680
Porosity	NBN EN 1936: 2007	% vol	0.25	0.10	49	-
Water absorption under atmospheric pressure	NBN EN 13755: 2008	% m	0.10	0.0	7	-
Compressive strength	NBN EN 1926: 2007	MPa	158	21	133	123
Flexural strength under central load	NBN EN 12372: 2007	MPa	16.7	1.7	152	13.8
Wear resistance (method A: Capon)	NBN EN 14157: 2004	mm	20.5	0.8	15	22.9
Dynamic modules of elsticity	NBN EN 14146: 2004	GPa	78.2	2.8	26	73.1
Speed of sound //	NBN EN 14579: 2004	km/s	5.84	0.22	21	5.43
Speed of sound ┴	NBN EN 14579: 2004	km/s	5.61	0.47	21	4.76
Frost resistance indications	NBN EN 12371: 2010	cycles	Nc = 168	-	34	-
Thermal expansion coefficient	NBN EN 14581: 2005	a [1/°C]	4.6 E-06	10.0 E-07	*	*
Water absorption by capillarity	NBN EN 1925: 1999	Not applicable due to the low porosity of the stone

Certificates

ATG

The blue limestone of Carrières du Hainaut is extracted and transformed in Belgium on its unique site. Blue Limestone of Hainaut is homologated by the Belgian Union for technical approval (UBAtc) – ATG H724 – Petit granit – Pierre Bleue du Hainaut. See details of the Technical Approval in the tabel below.

DOP

The declaration of performance (CE) related to finished products commercialized by Carrières du Hainaut are also available on simple request.

CERTIFICATES OF ORIGINS

Here at Carrières du Hainaut we guarantee the provenance and absolute quality of each of our stones. With every purchase of either finished or half-finished products we provide a nominative and numbered certificate of origin of the stone with a unique code and stamp.

Support

Discover all the documents you need to complete your blue stone projects

Support

1. Material

2. Surface Finishes

2.1. Surface Finishes (slabs)

2.2. Surface Finishes (shaped products)

2.3. Surface Finishes (aged tiling)

3. Construction Elements

3.1. Thresholds

3.2. Window Frames

3.3. Wall Coverings

3.4. Chimney Covers

4. Facades

4.1. Wall Bases

4.2. Stapled Stone Facade

4.3. Cladding Facade (system V-Clip)

4.4. Facade of Dressed Stone (rubble masonry)

5. Indoor Claddings

5.1. Internal Facing in Modular Panels

5.2. Indoor Window Sills

6. Indoor Floors - Tile Coverings

6.0. Indoor Floors - Tiles Coverings

6.1. Laying with Mortar on a Stable Sand Bed without Underfloor Heating (traditional laying)

6.2. Mortar Installation on a Hard Substrate without underfloor Heating

6.3. Laying with Thin-Bed Mortar without Underfloor Heating

6.4. Traditional or Glued Installation with Underfloor Heating

6.5. Glued Installation on Old Paving

6.6. Pattern and Joints

6.7. Stair Cladding

6.8. Doorways

6.9. Interior Skirtings

7. Outdoor Flooring - Tiles (private areas)

7.0. Outdoor Flooring - Tiles (private areas)

7.1. Glued Installation on Hardened Screed

7.2. Laying on a Fresh Screed

7.3. Laying with Mortar on Stabilised Sand (traditional laying)

7.4. Installation on Adjustable Blocks

7.5. Layout and Joints

7.6. Paving (private areas)

7.7. Staircase Coverings (private areas)

7.8. Linear Elements (kerbs and gutters) (private spaces)

8. External Flooring (public spaces)

Descriptions & Construction Details

ATG - Technical Approval

Density

Porosity

Water absorption under atmospheric pressure

Compressive strength

Flexural strength under central load

Wear resistance (method A: Capon)

Dynamic modules of elsticity

Speed of sound //

Speed of sound ┴

Frost resistance indications

Thermal expansion coefficient

Water absorption by capillarity

Certificates

ATG

DOP

CERTIFICATES OF ORIGINS

Can’t find what you’re looking for?