DECK WATERPROOFING
DECK SLOPING

Los Angeles | Santa Barbara | Ventura County | Orange County
Malibu | Santa Monica | Beverly Hills

Decks | Balconies | Courtyards | Stairways | Stairs

WHY DECK SLOPING IS NECESSARY

  • Prevents ponding on deck surface
  • Allows surface water flow to deck drain
  • Prevents efflorescence on tile / stone decks

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SLOPING PREVENTS PONDING ON DECK SURFACE

Sloping mortar bed applied directly over courtyard deck drainage panels

DECK SLOPING ALLOWS SURFACE WATER FLOW TO DECK DRAIN

  • Horizontal deck drainage panels installed prior to applying sloping mortar bed
  • Drainage panels installed directly over under tile waterproofing membrane
  • Sloping mortar bed applied directly over drainage panels

COURTYARD DECK SLOPING TO CENTER DRAIN

Tapered wood forms installed as guides for precise deck mortar bed sloping

TAPERED WOOD FORMS INSTALLED AS GUIDES FOR PRECISE DECK MORTAR BED SLOPING

  • Correct courtyard deck layout is necessary prior to designing sloping parameters
  • Radius wall / deck sections require separate mortar bed sloping to deck drain
  • Parameter deck forms connected to step forms provide outline for mortar bed sloping

PARAMETER FORMS OUTLINE DECK SLOPING MORTAR BED

Parameter forms outline deck sloping mortar bed

DECK STEP FORMS INSTALLED AT CORRECT ELEVATION FOR MORTAR BED SLOPING TO DECK DRAIN

  • Horizontal drainage panels directly receive sloping mortar bed for deck tile / stone installations
  • Drainage panels create a floating structural sloping mortar bed for independent thermal movement
  • Mortar bed sloping eliminates ponding of deck surface water
  • Deck ponding creates efflorescence conditions to tile / stone deck installations

SLOPING MORTAR BED ALLOWS SURFACE WATER TO FLOW FREELY TO DECK DRAIN

Sloping mortar bed allows surface water to flow freely to deck drain

ANTI-FRACTURE MEMBRANE APPLIED DIRECTLY TO SLOPING MORTAR BED

  • Waterproofing anti-fracture membrane required prior to tile installations on decks
  • Anti-fracture membrane prevents surface water penetration into tile deck sloping mortar bed
  • Tile deck waterproofing require both under tile waterproofing and anti-fracture membrane to prevent deck leaks

VIEW NEXT STEP: Anti-fracture membrane | decks


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