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Deck Waterproofing Services in Gypsum, CO

Delivering long-lasting, watertight decks since 1997, InsulVail (an Installed Building Products company) partners with homeowners and builders across Summit, Eagle, Garfield, and Pitkin Counties to protect outdoor living spaces from moisture damage and extend deck lifespans.

Waterproof decking

Why Deck Waterproofing Matters

Decks endure constant exposure to rain, snow, UV rays, and freeze-thaw cycles. Without proper waterproofing, wood and composite materials absorb moisture, leading to:

  • Rot, decay, and structural failure
  • Mold, mildew, and slip hazards
  • Staining, discoloration, and surface deterioration
  • Costly repairs or full deck replacement

A professional waterproofing system creates a durable barrier that keeps water out, safeguards the substructure, and preserves your deck’s beauty and safety for years to come.

Types of Deck Waterproofing Systems

Choosing the right waterproofing system depends on deck material, substrate, and usage. We install all major types:

System Type Application Ideal For
Liquid-Applied Coatings Seamless membranes sprayed or rolled on Wood decks, rooftop terraces, elevated decks
Under-Deck Drainage Channel panels installed beneath joists Creating dry patios/storage under decks
Protective Sealers Penetrating or film-forming sealers Pressure-treated or hardwood boards

All materials are UV-resistant, freeze-thaw-stable, and designed to bond tightly to your deck surface or substructure.

Frequently Asked Questions

Can I waterproof an existing wood deck?

Yes. We clean and prep the boards, repair any damage, then apply a compatible coating or membrane to create a continuous barrier against moisture.

How long does deck waterproofing last?

Most systems offer 5–15 years of protection, depending on exposure and maintenance. We’ll recommend re-coating or membrane replacement intervals based on your chosen system.

What’s the difference between sealers and membranes?

Sealants penetrate or form a thin film on the deck surface. Membranes (liquid or sheet) provide a thicker, fully waterproof layer—ideal for rooftop decks and under-deck applications.

Do I need a professional installer?

Professional installation ensures proper detailing at flashing, rail posts, and drains. This avoids leaks and prolongs system life, which DIY methods often fail to achieve.

How do I maintain my waterproofed deck?

Perform annual inspections for seam separation or punctures. Keep drains clear and follow our recoating schedule to maintain full protection.

Ready to protect your outdoor investment? Request a free deck waterproofing estimate today and let InsulVail apply proven moisture-control solutions that keep your decks dry, safe, and stunning season after season.

Products We Install
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Fiberglass

Our insulation team adds energy efficiency, comfort & value to homes & buildings.

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Spray Foam

InsulVail is proud to be a leading installer of spray foam insulation.

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Cellulose

Environmentally friendly and effective, cellulose insulation works well in all homes.

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BIBS

We can help keep your home cooler and more comfortable with a Blown In Blanket System.

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