Waterproof Your Doghouse

The Problem: Building a doghouse that will effectively seal out water and weather, keeping pets dry and comfortable.

The Solution: Construct a sturdy doghouse using quality materials and seal it with Flex Seal Clear and Flex Seal Liquid Black for complete weatherproofing.

Tools Needed:

  • Jig Saw
  • Circular Saw
  • Orbital Sander
  • Drill with Phillips Head Bit and 1/2" Drill Bit
  • Measuring Tape
  • Compass
  • Paint Roller
  • Painters Tape

Materials Needed:

  • (1) 4' x 8' Sheet Galvanized Steel (for weatherproof roofing)
  • (1) 4' x 8' - 1/2" Panel Board
  • (4) 2' x 4' x 8" Pine boards (frame structure)
  • (4) 2" x 2" x 8' Pine boards (additional framing)
  • (1) 1" x 4" x 12' Cedar board (trim and detail work)
  • (1) box 3" Deck Screws
  • (1) box 1 5/8" Deck Screws
  • (1) box Roofing Nails
  • (1) can Flex Seal Clear
  • (1) quart Flex Seal Liquid Black

Build and Waterproofing Process:

  1. Frame construction - Build the doghouse frame using the pine lumber, securing with deck screws
  2. Wall and floor installation - Attach panel board for walls and flooring
  3. Roof assembly - Install the galvanized steel roofing using roofing nails for a durable, weather-resistant top
  4. Finishing touches - Add cedar trim for aesthetics and additional protection
  5. Sand smooth - Use orbital sander to smooth all surfaces for pet safety
  6. Apply Flex Seal Clear - Use paint roller to apply Flex Seal Clear to seal seams, joints, and vulnerable areas
  7. Apply Flex Seal Liquid Black - Roll on Flex Seal Liquid Black for additional waterproofing and a finished appearance, focusing on the roof and exterior surfaces

Waterproofing Strategy:

  • Galvanized steel roof provides primary water barrier
  • (Optional) Use Flex Seal Clear, Flex Paste, or Flex Caulk to seals all gaps, seams, and joints
  • Flex Seal Liquid Black adds a thick protective coating to exterior surfaces
  • Multiple layers of protection ensure water stays out

Result: A sturdy, well-built doghouse with comprehensive weatherproofing that seals out water, moisture, and the elements, keeping your pet dry and comfortable in any weather.

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