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33 waterproofing details. Free as PDF and DXF.

2 min readFORSPEC Technical Team

The short version

  • 33 standard details are now in the FORSPEC drawings library, each as a PDF and a DXF you can open in AutoCAD.
  • They cover wet areas, planters and retaining walls, joints and waterstops, penetrations, roofs, lift pits, tanks and crack injection.
  • Every sheet uses generic layer names, so it reads the same whichever product your specification names.
FORSPEC standard detail B100: bathroom on concrete with the membrane under the screed at the shower wall, section and elevation
Detail B100, bathroom on concrete with the membrane under the screed: one of the 33 sheets.

A waterproofing job is won or lost at the details: the outlet, the door sill, the joint between a wall and a slab. Until now, most of those details were redrawn job by job. The FORSPEC drawings library puts the standard ones in one place.

What is in the library

Wet areas
13 details
Planters and retaining walls
6 details
Joints and waterstops
5 details
Penetrations
4 details
Roofs
3 details
Pile caps and lift pits
2 details
Pools and tanks
2 details
Concrete repair
1 detail

Some sheets sit in more than one group, so the groups add up to more than 33.

How to use a detail

  1. Open the library and pick your application or your system.
  2. Tap a sheet to view it. You can zoom in until the line weights show.
  3. Download the PDF to print or mark up, or the DXF to open in AutoCAD and most other CAD programs.
  4. Read it with the specification and the data sheet for the products on your job.

Why the layers have generic names

Each sheet labels its layers by what they do: primer, liquid membrane, reinforcement, sealant, screed. No product name is printed on a public sheet. The system page and your specification say which FORSPEC product fills each layer. That keeps one drawing true for every job it is used on.

What comes next

New sheets are added as they are checked. Each new detail will be announced here, with the application it covers and the system it belongs to.

Where this comes from

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Systems, products and drawings

SystemInternal Wet Area WaterproofingThe full build-up, layer by layerSystemBelow-Ground Waterproofing & Basement TankingThe full build-up, layer by layerDrawingEEL007 · Exposed Roof Outlet Puddle FlangeCAD detail: PDF and DXFDrawingB100 · Bathroom Concrete UnderscreedCAD detail: PDF and DXFDrawingBGL011 · Lift Pit Base to Strip Footing CJCAD detail: PDF and DXFPageThe drawings libraryAll 33 standard details, by application and systemRangeAll FORSPEC productsBy system, with data sheets and calculators
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On site with FORSPEC

A lift pit lined before the pour, from FORSPEC on InstagramA lift pit lined before the pourThe membrane under the screed, from FORSPEC on InstagramThe membrane under the screedA pool detailed the right way, from FORSPEC on InstagramA pool detailed the right wayPipe details welded into the sheet, from FORSPEC on Instagram▶ 3.2KPipe details welded into the sheet
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