Below is a list of brief instructional Pro Tips for using the Formtech Insulated Concrete Form (ICF) in construction. The list contains background material, instructions on the safe and proper use of Formtech ICFs and Pro Tips on building techniques.
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The tools you'll need
Simple construction tools are all you need when working with Formtech ICFs.
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Services Access Cavities
Services access cavities are cut through the blocks with a saw, utility knife or hot knife.
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Estimating
How to estimate what the ICF resources you'll require.
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Assembling Formtech ICFs
How to assemble Formtech ICFs.
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Site preparation
Preparing the site for ICF construction.
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A. The first panel
It is important to assemble blocks on a flat and level surface.
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B. Corner system
Information about reversible corner system.
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C. Assemble the first course
Assemble all corners first, then starting at one corner place blocks along line, butting blocks end to end.
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D. The second course
As in block or brick laying, courses should be staggered for extra strength.
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E. T-sections
Measure, mark and cut the interior panel of the block the T is joining,
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F. ReBar Reinforcement
Follow engineering of building drawings to determine where re-bars must be placed in the wall.
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G1. Bracing
Bracing is important to form a plumb, straight wall.
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G2. Alternate Bracing System
A 2" x 4" bracing method can also be used.
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H. Doors and windows
Using previous markings as a guide, cut blocks to accommodate window and door openings.
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I. Services Access Cavities
Services access cavities are cut through the blocks with a saw, utility knife or hot knife.
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J. The Pour
Formtech provides a "Before You Pour" checklist that should be completed before starting the pour.
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K. Wiring & Plumbing Cavities
Major conduit applications can be poured in place.
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L. Waterproofing
When Formtech ICF's are used below grade, an approved, non-oil-based waterproofing system should be used.
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The Finish
Formtech ICF blocks can accept any type of interior or exterior finishes.
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