WonderBoard® Lite Installation Guide Mortar 7/16" WonderBoard® Lite Roofing Felt UNDERLAYMENT FOR TILE & STONE 1 PREP
WonderBoard® Lite For Wood Floors & Countertops 1/4" WonderBoard® Lite Backerboard Size 36" x 60" x 1/4" Coverage 15 sq. ft. For Walls & Showers 7/16" WonderBoard® Lite Backerboard Size 36" x 60" x 7/16" 15 sq. ft. WonderBoard Lite can be used in applications such as walls, ceilings, floors, decks, countertops and vanities. Use under any tile or natural stone.
Surface Preparation Floors & Countertops 5/8" subfloor with 16" on center framing Installation over existing vinyl floor Over Wood Subfloor For best results, be sure plywood subfloor panels are gapped 1/8" at seams. If plywood is not gapped, saw cut joints all the way through the plywood sheets. Keep joints free of mortar. 1 Subfloor and countertop base should be an exterior grade plywood with a minimum thickness of 3/4"when using 1/4" WonderBoard Lite.
Installation for Ceramic Tile or Natural Stone Scoring & Cutting Panels Tip: Use a circular saw with a carbide-tipped blade for large cutouts or a drill with a masonry bit for small holes. Score then snap WonderBoard Lite Save time by pre-cutting all panels then fastening. 1 With scoring tool or utility knife and straight-edge, score through fiberglass mesh on one side. 2 Snap board at score line. 3 Cut mesh on other side and snap back. Cut through mesh on both sides.
Wall Installation: 7/16" WonderBoard Lite Fasten to studs Tape gaps In wet areas, nail or staple 15 lb. roofing felt or 4 mil polyethylene sheeting to studs prior to installing the WonderBoard Lite. 2 Stagger panel joints to eliminate a continuous gap line across the wall. 3 Fasten WonderBoard Lite panels to studs every 6"-8" around all edges using 1-1/4" cement backerboard screws or 1-1/2" galvanized roofing nails. Around perimeter of each board, position fasteners within 1/2"-2" of edges.
Tools & Materials Checklist Level or straightedge Scoring tool Square notch trowel Hammer Drill and drill bits or polymer-modified thin-set Latex mortar such as: FlexBond® Premium Crack Prevention Thin-Set Mortar 1-1/2" galvanized roofing nails or 1-1/4" Backerboard Screws 2" wide alkali-resistant fiberglass joint tape 1/4" WonderBoard Lite 7/16" WonderBoard Lite Look for this icon on products that qualify for a Lifetime Warranty Not for use over concrete/gypsum substrates.
