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Platon Foundation Wrap

Platon is a tough, waterproof, dimpled membrane that wraps around the house foundation to keep wet soil away from the wall.

Advantages at a Glance
  • Double leakage protection – holds wet soil away from the wall and provides drainage as needed
  • Bridges foundation cracks – permanently bridges foundation cracks, and keeps working even if walls shift or settle
  • Versatile – works on block walls, poured concrete walls, permanent wood, insulated concrete forms and existing foundations  
  • Fast and easy installation – patented Speed Clip fastens to all types of foundations in any kind of weather
  • Guaranteed performance – 30-year product warranty when used as a foundation wrap
  • Environmentally responsible – Platon Foundation is made of high-density polyethylene with approximately 85% recycled content. It is chemically inert, so there are no by-products to contaminate the soil or air. All manufacturing waste is recycled
Why Use Platon for Your Foundation?

Platon has been proven to solve basement leakage problems. The dimples create an air gap that holds the membrane and wet soil away from the foundation wall. Unlike conventional tar and spray waterproofing methods, any water that finds its way past the membrane flows through the air gap to the footing drain, not into the basement.

As an added benefit, wall moisture condenses on the back of the Platon and flows to the footing drain. This dries out the foundation in a way that no other technology can match. Because Platon is not adhered to the wall, walls can shift, crack and settle over the years without affecting Platon’s remarkable performance.

Read More...
  • Specifications
  • Installation
Platon Foundation Wrap Specification

Roll Sizes

Metric
Imperial
3.05 x 20 10 x 65.6
2.44 x 20 8 x 65.6
2.21 x 20 7.3 x 65.6
2.07 x 20 6.95 x 65.6
1.98 x 20 6.6 x 65.6
1.83 x 20 6 x 65.6
1.65 x 20 5.5 x 65.6
1.13 x 15.2 3.71 x 50

Minimum sheet thickness:
24ml in the flat sections, 21mil in the dimples
Dimple height:
6mm (1/4")
Platon speedclip:
Fastener engages 4 dimples and presses the smooth tab against the wall
Platon moulding:
Used to seal open edges of the membrane to prevent soil ingress
Platon plugs:
Fit into the dimple to provide pull-through resistance for concrete nails (or screws on ICF's)

Characteristics

Working temperature:
-50° to +80° (-58°F to +176°F)
Softening temperature: +125°C (+257°F)
Thermal resistance:
R.68
Water vapour permeability:
3.3
Air volume/dimple side:
4.01/m2 (1gal/yd2)
UV stabilization:
Minimum 2% carbon black content
Toxicity:
None
Recycled plastic content:
+85%
Approvals:
Canada: CCMC 12266R, CCMC 12878R, BMEC 91-6-154
USA: ICC-ES Report ESR-2767
Platon Foundation Wrap Installation
  • How to Install
    Note: Platon Foundation Waterproofing must be used in conjunction with a foundation footing drain.

    1. Break off all ties and projections on the wall and clear stone and debris from the footing. Seal tie rod holes with mastic. ICF walls do not need any surface preparation. Parge block walls.
    2. Chalk a line at finished grade around the entire foundation and run a generous bead of caulking 25mm (1") below the line.
    3. Working from left to right, unroll the membrane along the foundation, dimples toward the wall, smooth tab at the top, following the chalk line. Keep the smooth tab tight to the wall. Platon must wrap the foundation from a point directly touching the top of the footing up to finished grade or ground level. If the height of the roll permits, Platon can be creased sharply at the foundation/footing joint and brought out over the footing.
    4. Fasten with Speedclips along the top of the membrane. The Speedclip dimples mesh with the top 2 rows of Platon dimples and the Speedclip offset presses the smooth tab tight to the wall. Nail (or screw on ICFs) through the small centre hole between dimples. ALTERNATIVELY, fasten with Platon Plugs and nails in the second and third row of dimples, spaced 20cm to 30cm (8" to 12") apart. Secure the smooth tab with nails and Platon Moulding strips along the top of the tab. Note: Clay soil requires additional Plugs in the fifth row of dimples (not required with Speedclips).
  • Corners
    Bend and crease the membrane to provide the best fit. If extending Platon over the footing, make a small cut at the bottom corner, to facilitate a good fit.
  • Joints
    For vertical joints between rolls, overlap a minimum of 51cm (20"). Any water that gets into the joint will flow to the footing drain before it gets to the wall. Horizontal joints, if required, should be overlapped by 5 dimples, with the upper course over the lower one.
  • Windows
    Cut the Platon membrane flush with the side and 8cm (3") lower than the window opening. If using Speedclips, move the cutout piece down to seal the open horizontal cut, mesh the dimples and fasten with Speedclips. If using Platon Plugs, continue the nailing pattern below the window opening and seal the open horizontal cut with Platon moulding. The window well is installed over the membrane, which can then be trimmed and caulked.
  • Sloped Grades
    For a gradual slope, measure the grade change chalk line length, add 51cm (20") for joint overlap and cut that length of Platon. Install with the smooth tab following the chalk line, fasten with Speedclips or Platon Plugs and Moulding, and trim along the edge of the footing. For a steep slope, cut the membrane to match finished grade and seal the open edge with caulk and Platon Moulding. Tip: Install Platon on the lowest elevation first, then the sloped grade, then the higher elevations.
  • Backfilling
    Clear stone must be placed over the footing drain and extended over the footing against the base of the Platon in accordance with local building codes. Backfill carefully. Do not permit machinery, large rocks or frozen clumps to impact the Platon.
  • Tear Repair
    Caulk around the tear. Apply a 24" wide patch of Platon over the tear, meshing the dimples, and fasten with Speedclips or Platon Plugs.
  • Pipe Projections
    The pipe must be sealed to the foundation with hydraulic cement before Platon is installed. Split Platon vertically from the pipe to either top or bottom. Cut Platon snug around the pipe. Caulk around the pipe and both sides of the split. Apply a 24" wide patch of Platon over the split and fasten with Speedclips or Plugs.
  • Flood Boot
    Must be installed prior to installing Platon when: (1) a high water table is encountered, (2) footing drain is placed on top of the footing, (3) floor slab is level with, rather than on top of, the footing, or (4) on any horizontal below grade step in the foundation such as a buried brick ledge. Apply a “peel and stick” or rubberized liquid waterproofing to cover the footing (or brick ledge) and wall to a point 12" higher than the anticipated water table.
  • Note: Installation instructions are to be used a guide only. No recommendations to be interpreted as superseding or replacing any installation recommendations of the flooring manufacturer. No warranty on the performance of the floor covering is given or implied.
  • What You Need
    Platon Membrane  One roll for every 19m (62 lineal feet) of foundation (allows for joint overlap). Membrane can be overlapped horizontally by 15cm (6") for deep foundations.
     

    Platon Speedclips OR

    Platon Plugs and Moulding
     

    65 Speedclips per roll of membrane (Speedclips secure the membrane AND press the smooth tab tight to the wall). OR

    1 bag of Platon Plugs per 3 rolls of membrane and 10 strips of Platon Moulding per roll.
     Platon Moulding Strips At least 4 strips per job PLUS 1 strip per window well.
     Caulking Minimum 2 tubes per roll. For concrete or wood foundations, use butyl rubber or asphalt-based roof cement. For insulated concrete forms (ICF), use PL300 foam panel adhesive. DO NOT USE SILICONE, LATEX OR POLYURETHANE.
     Fasteners For concrete, use 32mm (1-1/4") concrete nails. Power nail gun for block or poured walls. For ICF or wood foundations, use 38mm (1-1/2") drywall or corrosion-resistant deck screws. 

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