Blanke PERMAT Reinforcing Underlayment Sheet (2′ × 3.2′)
Engineered for professionals: reinforce wood and cement subfloors, isolate cracks, and reduce deflection—all in a low-profile, fast-install system.
Why Flooring Pros Choose Blanke PERMAT
Crack Isolation & Deflection Control: Fiberglass mesh bonds with thinset to protect tile from substrate movement.:contentReference[oaicite:0]{index=0}
Superior Strength: Industry-leading tensile and compressive performance—outperforms traditional uncoupling membranes.:contentReference[oaicite:1]{index=1}
Low-Profile Design: Only 1/8″ thick for seamless transitions and retrofit-friendly installation.:contentReference[oaicite:2]{index=2}
Fast, Simple Installation: Self-seaming panels, lightweight design, no cure time—tile immediately.:contentReference[oaicite:3]{index=3}
Pro-Grade Warranty: 10-year protection against excess deflection.:contentReference[oaicite:4]{index=4}
Technical Details
Size: 2′ × 3.2′ (6.5 sq ft per panel), lightweight ~1.06 lbs per panel.:contentReference[oaicite:5]{index=5}
Thickness: Approx. 3.3 mm (1/8″) — minimal buildup.:contentReference[oaicite:6]{index=6}
Construction: Top = alkali-resistant fiberglass mesh; Core = HDPE; Backing = polypropylene fleece.:contentReference[oaicite:7]{index=7}
Installation Substrates: Wood (no double plywood required), concrete, screeds; supports wood joists up to L/720 for stone.:contentReference[oaicite:8]{index=8}
Installation Snapshot
Confirm substrate is clean, flat, dry, and load-bearing.
Apply modified thinset with a fish-scale or ¼″ notch trowel.
Place panels fleece-side down, overlapping mesh edges; stagger seams by at least 3″.:contentReference[oaicite:9]{index=9}
Embed panels fully using a roller or the flat side of your trowel to eliminate bubbles.
Apply tile directly—no cure time needed.:contentReference[oaicite:10]{index=10}
Include perimeter and movement joints as per TCNA guidelines.:contentReference[oaicite:11]{index=11}
Applications & Benefits
Ideal for residential and commercial tile or stone installations over wood or concrete.
Supports heavy point loads—suitable for large-format tiles and stone.:contentReference[oaicite:12]{index=12}
Reduces need for added plywood layer on wood decks—saves time and materials.:contentReference[oaicite:13]{index=13}
Excellent performance under in-floor heating systems.:contentReference[oaicite:14]{index=14}\n\n
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| SKU | PERMAT |
|---|---|
| UPC | 609613302084 |
| Weight (lbs.) | 1.2 |
| Non-Returnable | No |
| Manufacturer | Blanke |
| Manufacturer Part Number | 527-904-US |
| Dimensions (L x W x H) | 2′ x 3.2′ x 0.12″ |
