Technical Resource Guide_WEB_BEL25-D-516650 - Page 28 of 84

28 | belgard ® product installation guide | belgard.com | 877-235-4273 SAND SET OVER CONCRETE OVERLAY INSTALLATION (PEDESTRIAN FOOT TRAFFIC) INSTALLATION NOTES: • The required edge restraint system is a low-profile edge restraint with a vertical height of 1½ inches as shown in the drawing. • Precompact the sand bedding course and screed to 1-in thickness with smooth surface. • Mechanically anchor edge restraint into the concrete base. • Insure geotextile is installed directly on top of the concrete to contain the bedding sand. • Insure that pavement is constructed with a 1½ to 2 percent slope and that it is pitched away from any building. • Insure the plastic 4 mm spacers are installed at all corners of the installed pavers. PEDESTRIAN FOOT TRAFFIC ONLY SAND SET OVER CONCRETE OVERLAY INSTALLATION PERIPHERAL RESTRAINT SYSTEM MECHANICALLY FASTENED INTO CONCRETE BASE INSTALLATION NOTES: Follow the detail drawing. The required edge restraint system is a low profile edge restraint with a vertical height of 1 1/2” inches as shown in the drawing. Mechanically anchor edge restraint into the concrete base. Ensure geotextile is installed directly on top of the concrete to contain the bedding sand. Ensure that pavement is constructed with a 2% slope and that it is pitched away from any building or structure. Ensure the plastic 4mm spacers are installed at all corners of the installed pavers. PLANKS When installing porcelain planks (12x48), always lay the patterns of 1/3’s. These shoud not be placed next to each other at 50%. Note: A concrete base with a sound surface and small cracks can be utilized as a base for paving slab construction, but a concrete base with differential settlement or movement is not acceptable. Important: For a professional and chip free cut, Belgard Porcelain pavers should only be cut with a tile saw equipped with a wet cut porcelain blade. Caution: Never compact Belgard Porcelain pavers with a plate compactor. Never install Belgard Porcelain pavers without the required 4mm disc spacers between all units. The use of a Porcelain Roller Compactor is MANDATORY! 4mm disc spacer (with break off tabs for different patters) 20mm (0.7874”) Porcelain Slab 1” pre-compacted concrete sand 1.5” tall peripheral restraint system anchored into concrete base Belgard/Mirage Porcelain Pavers 20mm (3/4” nominal) pavers Filtration fabric 12” wide over expansion joint (Mirafi 140N or equal) 1/2” Expansion joint (Designed by others) Use 4mm disc spacers between all pavers, to be left permanently and fill joints with high-performance polymeric sand Such as Techniseal NextGel Porcelain Sand Note: Pre-compact the sand bedding course and screed to a 1” thickness with smooth surface Drainage compacted Aggregate layer (Min. 4”) Desiged by others Geotextile Fabric Installed on top of concrete and folded up the front of the edging. This is required to prevent the unwanted migration of the sand bedding course material Drill 2” diameter holes @ 24” on center along downslope edge restraints, fill with ASTM No. 8 Stone, and cover with geotextile (Mirafi 140N or equal). Drain holes should be placed throughout the slab approx. 1 per 200 sf. 4” Concrete slab Min. thickness (Designed by others) Soil Subgrade Sand Bedding Course (1” pre-compacted thickness) ASTM C33 Standard for 1” of sand In order to ensure proper drainage, the installer must adjust the base thickness and subgrade composition to account for local climatic and geological conditions.