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So far with whatever I've order from OKWISHING has been nice. If something got sent back never an issue and prompt refund.
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Waterproofing and Sealing Self Adhesive Butyl Joist Tape Wood Deck Joist Flashing Tape For Lumber
$3
Color:

Specifications:
5cm*5m
Quantity:
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Features
Premium Butyl Joist Tape for Ultimate Waterproofing
Heavy-duty self-adhesive butyl rubber compound ensures a permanent, airtight seal against moisture, rot, and insect damage. Precision-engineered with reinforced aluminum backing for superior durability and UV resistance, ideal for outdoor decking, lumber framing, and wooden structures. No-tool application – peel-and-stick design conforms seamlessly to uneven surfaces, creating a watertight barrier for joists, beams, and seams. Industrial-grade thickness (40 mil) outperforms standard flashing tapes, offering long-term protection in extreme weather conditions. Trusted by contractors and DIY enthusiasts for decks, sheds, pergolas, and marine applications – prevents costly water damage with zero maintenance. Bulk pricing available – wholesale quantities for large-scale projects without compromising quality.
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