1. The Wafflemat® Foundation-Forming System On-grade mat foundation when building on expansive, compressible, rocky, or liquefiable soils

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Wafflemat
The Wafflemat® Foundation-Forming System
What it is – and isn’t
Sample photo sequence
Cost comparisons
How Wafflemat delivers superior performance
Contacts
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Description
What it is
Elevated post-tension slab poured monolithically over either 8.5” or 12” high, 19” x 19” forms (‘Waffleboxes’) that are easily placed, connected, and which provide void space for expansion of soils
What it’s not
Slab resting entirely on grade, made entirely of concrete, without a place for movement of soils
Dirt-formed rib system requiring significant trenching and construction
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4. Wafflemat

5. Not Wafflemat
Not Wafflemat 5

6. Not Wafflemat 6

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Section View
Top View
Cross Section
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8. Setup

9. Setup

10. Groups of two/four Waffleboxes clipped & connected10

11. Slab Pour

12. Finish

13. Wafflemat Building Cycletime
Day 1-3: Formwork, plumbing
Day 4: Lay out Waffleboxes and reinforcement, inspections
Day 5: Place concrete
Quick – and, foolproof – installation; retain relationships with trusted crews
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14. Costs and Comparisons
$8.95 per Wafflebox (For Mainland USA, includes shipping)
$8.95 per = $2.16 per sf in cost.
Compare with areas Wafflemat provides cost savings:
Significantly less soils prep, concrete, steel, and cycletime. Developers tell us savings in these areas generally add up to $4.00+ per sf.
$2.16 per sf cost vs. $4.00+ per sf savings
Wafflemat provides measurable and demonstrated savings when constructing on expansive, compressible, rocky, or liquefiable soils.
No digging in the dirt, dealing with trenches and off haul.
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15. Wafflemat delivers superior performance
Performance built in
Ribbed design means less contact with soil, yet an extremely stiff slab. Perfect cable placement equals min sag/additional strength.
Wafflebox voids resist soil expansion from over-watering and surface drainage. Also act as built-in vapor barrier.
Better implementation of hold downs due to height/thickness of section.
Provides ability for retaining walls to be placed directly on slab.
Over 25 years and counting
25,000,000 sf installed since 1993 in both single and multi-family residential as well as light commercial -- not one structural failure.
One More: Made of “green” materials (re-cycled polypropylene plastic)
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Contacts
Website
Tom Richards, Sales:
John Cook, SE, Principal, MKM & Associates Engineering:
Best Base Confidential. All Rights Reserved.