TEC Products: Setting Material Technology Solutions for Wood Substrates
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Gain a basic understanding of wood subfloor construction, residential construction trends and recommendations for surface preparation and mortar and grout selection before installing tile over wood substrates. Learn more at tecspecialty.com.
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TEC Products: Setting Material Technology Solutions for Wood Substrates
- 1. Setting Material Technology Solutions for Wood Substrates Tom Plaskota CDT
- 2. 2 Learning Objectives Gain a basic understanding of: •Wood subfloor construction •Residential construction trends •Technology Solutions
- 3. 3 Learning Objectives Gain a basic understanding of: •Wood subfloor construction •Residential construction trends •Technology Solutions
- 4. 4 Wood Construction Overview •References •APA – The Engineered Wood Association www.apawood.org •Engineered Wood Construction Guide (Form E30U) •Ceramic Tile Over Wood Structural Panel Floors (Form TT-006B) •Tile Council Of North America www.tileusa.com •Handbook for Ceramic Glass and Stone Tile Installation
- 5. 5 Wood Construction Overview Joist Construction adhesive 1/8” spacing Stagger end joints T&G or wood blocking
- 6. 6 Wood Construction Overview •Design Criteria •Building Codes •Live/Dead Loads •Uniformly distributed, concentrated and impact •Joists and panels •Span Tables •Wood Species •Panel Composition •Loads; Uniformly distributed
- 7. 7 Wood Construction Overview •Deflection: •Ceramic tile installation systems are designed to perform with a maximum deflection of L/360 of the span when under load •Including expected live, concentrated, impact and dead loads •During normal service, construction and maintenance D L
- 8. 8 Wood Construction Overview Finish Flooring Typical Panel Carpet and Pad Sturd-I-Floor w/T&G edges Hardwood Sturd-I-Floor Vinyl Sturd-I-Floor w/1/4” Underlayment Ceramic Tile 24 Variations
- 9. 9 Learning Objectives Gain a basic understanding of: •Wood subfloor construction •Residential construction trends •Technology Solutions
- 10. 10 Construction Trends •Joist Spans and Spacing •16” o.c. •19.2” o.c. •24” o.c. •Subfloor Composition: Plywood vs. OSB
- 11. 11 Wood Construction Overview •Plywood vs. Oriented Strand Board (OSB) •Plywood - a wood structural panel comprised of plies of wood veneer arranged in cross-aligned layers. The plies are bonded with an adhesive that cures on application of heat and pressure. •OSB - a mat-formed wood structural panel comprised of thin rectangular wood stands arranged in cross-aligned layers with surface layers normally arranged in the long panel direction and bonded with waterproof adhesive.
- 12. 12 Construction Trends •Increased Dead Loads •Economic •Tile Size and Composition
- 13. Construction Trends 13 Important to Achieve Proper Coverage
- 16. 16 ASTM C627
- 17. 17 Learning Objectives Gain a basic understanding of: •Wood subfloor construction •Residential construction trends •Technology Solutions
- 18. 18 Technology Solutions •Ceramic Tile Challenges •Tile Type •Deflection •Dimensional Stability •Adhesion
- 19. 19 Technology Solutions •Traditional Underlayments •Mortar Beds •CBU •Plywood
- 20. 20 Technology Solutions •Easier to install •Faster to install •Performs better •More compatible •More affordable
- 21. 21 Technology Solutions •Underlayments •Self Leveling •Other •Membranes •Uncoupling •Crack Isolation •Single Layer Systems •Mortars •Grouts
- 24. 24 Single Layer Floor Joist Construction adhesive 1/8” spacing Stagger end joints T&G or wood blocking
- 25. 25
- 27. 27 Technology Solutions •Residential to light commercial service environment • APA Rated IP Sturd-I-Floor™ Exposure 1 or better, Plywood or OSB subfloor
- 28. 28 Technology Solutions •Subfloor Installation Requirements • 23⁄32" minimum thickness. • Joist Spacing up to and including 24" o.c. • Must be tongue-and-groove edges (or 2" lumber blocking beneath edge joints in between joists). • Install with long dimension across supports and initial 1⁄8" spacing at end and edge joints. • Securely fastened to joists with subfloor adhesive and wood screws or 6d ring shank nails 12" o.c. at panel ends and intermediate supports. Without subfloor adhesive, fasten with wood screws or 6d ring shank nails 6" o.c. at panel ends and intermediate supports.
- 29. 29 Technology Solutions •Subfloor Surface Preparation: •Clean: •Sweep first then remove fine dust with vacuum or compressed air. If using compressed air, ensure that compressor oil is not inadvertently sprayed onto the floor. (Do not use a method involving water when cleaning floor.) •Evaluate success of cleaning methods by wiping surface with a black cloth. If dust is still present repeat cleaning.
- 30. 30 Technology Solutions •Subfloor Surface Preparation: •Integrity: •Do not install over wet subfloor. •Remove any loose wood strands. •Fill all holes in subfloor. For small holes up to 1“ diameter, fill with mortar and embed mesh over hole. •Fill surface voids up to 1⁄4" deep with mortar, if greater than 1⁄4" deep, fill with mortar and embed mesh over void.
- 31. 31 Technology Solutions •Mesh Installation: •Trowel minimum 9" wide strip over all subfloor end and edge joints, forcing mortar into the joint gap. •Immediately place mesh over wet mortar and embed by troweling over the mesh (apply mortar to a thickness sufficient to cover the mesh color).
- 32. 32 Technology Solutions •Subfloor End and Edge Joints: •Place a 12" to 24" straight edge perpendicular to the joints to see it the edges of the subfloor panels have peaked. •If there are no gaps between the straight edge and the subfloor panels on either side of the joint, proceed with the installation. •If there is a gap under the straight edge on either side of the joint, the joint must be sanded down.
- 33. 33 Technology Solutions •Set Tile: •Set tile directly to approved subfloor using high performance mortar •Use appropriate size notched trowel to ensure 100% coverage. •Allow to cure before grouting •Acceptable tile types: •For joists 24" o.c.: ceramic and porcelain tile up to and including 18" x 18" •For joists 19.2" and 16" o.c.: ceramic and porcelain tile up to and including 20" x 20“ •Unacceptable tile types: •For joists 24" o.c.: ceramic and porcelain tile greater than 18" x 18". • For joists 19.2" and 16" o.c.: ceramic and porcelain tile greater than 20" x 20" •Any size natural stone
- 34. 34 Technology Solutions •Acceptable grout types: • High performance grout recommended by grout manufacturer, minimum ANSI A118.7 sanded grout • Epoxy grout recommended by grout manufacturer Consult with setting materials manufacturer to confirm specific installation requirements and available warranties
- 35. 35 Technology Solutions 5-Step Underlayment System Material Cost/Sq. Ft. CBU: $____ Mesh: $____ Mortar: $____ Grout: $____ Labor Cost/Sq. Ft. CBU: $____ Total $____
- 36. 36 Technology Solutions 4-Step Uncoupling Membrane System Material Cost/Sq. Ft. Uncoupling Membrane: $____ Mortar: $____ Grout: $____ Labor Cost/Sq. Ft. Uncoupling Membrane: $____ Total $____
- 37. 37 Technology Solutions 3-Step Direct-Bond, Single Layer Floor System3-Step Direct-Bond, Single Layer Floor System Material Cost/Sq. Ft. Mesh: $____ CI Mortar: $____ Grout: $____ Labor Cost/Sq. Ft. No Underlayment Required: $0.00 Total $____
- 39. 39 Questions? Tom Plaskota, CDT H.B. Fuller Construction Products 630-952-1214 Tom.Plaskota@HBFuller.com