Product Description
Free Shipping to the Lower 48 States (7-10 Business Days)
- Dimensions 8" x 16" x 2.25"
- Seals & Insulate vents from Inside
- R-10 Foam Board
- Use Spray Foam to Air Seal from Inside (not included)
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Product Reviews
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Great foam blocks to seal vents
Good quality, thickness and size to seal vents, along with caulk to seal the gaps. Would be better if one side was painted black, so they wouldn't be seen thru a screen vent cover. Do not use a solvent based paint spray to paint them as the solvent will dissolve the foam.
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Vent blocks
Excellent!! Arrived safely and without damage. Ninja supply is great!! Will definitely order from them again.
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Fits perfect
A little too expensive.
