Seal Spray Sub-Floor and Construction Adhesive - 24 oz. Cans

This Seal Spray Sub-Floor glue provides more coverage than traditional foam sub-floor adhesives and adheres to wood in most conditions, including wet or frozen.

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As low as $29.99 Regular Price $69.42

Seal Spray Sub-Floor and Construction Adhesive - 24 oz. Cans

Model Number Part Description
SEALSF12 Pack of 12 Cans - No Gun
SEALSF12GC Pack of 12 Cans, Gun, and Cleaner
SEALSF6 Pack of 6 Cans - No Gun
SEALSF6GC Pack of 6 Cans, Gun, and Cleaner
SEALSF6LBGC Pack of 6 Cans, Long Barrel Gun, and Cleaner
SEALSF12LBGC Pack of 12 Cans, Long Barrel Gun, and Cleaner

Seal Spray Sub-Floor and Construction Adhesive - 24 oz. Cans

One-component, ready to use polyurethane spray foam sub-floor construction adhesive for gluing construction blocks in non-load bearing interior walls.


  • Yields 400 linear feet at 1/2" bead size
  • Faster work compared to using mortar
  • Foam gun is the only tool needed
  • Dust free work environment


  • Foam sub-floor adhesive can be used for gluing construction blocks in non-bearing interior walls. Consult a sales agent, a dealer or an architect regarding compatibility with various stone-based materials and other technical issues.

Adhesive Cans are 25.4 oz. each.
Cleaner can is 16.9 oz.

Features and Benefits:

  • Excellent Bond
  • Low Cost Per Yield
  • Keeps Flooring Squeak Free
  • Bonds to Damp & Frozen Substrates


  • Use on Horizontal Surfaces
  • Sub-floor
  • Bonds to Wood, Concrete and Metal
  • Landscape Apllications


  • Can Size: 24 oz
  • Yield Per Can: 400+ linear feet with bead 1/2 or smaller
  • R-Value @ 1": N/A
  • Closed Cell Content: N/A
  • Shelf Life in Months: 36

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Customer Reviews
  1. good for foam board
    After asking a couple of questions, I decided to give it a try with foil-faced foam insulation board. It adheres to foil well, to foam well without melting it. Two notes:

    1) The description gives yield at 1/2" bead size, that might work well for subfloor where you lay down a heavy panel, but for foam board you actually want to use less, otherwise the expansion will cause it to seep out or push the boards apart. This just means that the yield is higher. What a relief to switch to this from PL300 where half your time is spent changing out tubes!

    2) The one drawback for foam insulation is that it does tend to run when applied vertically. Don't apply until you're ready to put the board up immediately.

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