Waterproofing the Mat Slab with Preprufe 300R

Detail, detail, detail …

Waterproofing is all about detail.  One must take great care to ensure that all the overlaps are done correctly, the seams are taped, and the work is done thoroughly at all times.  And, of course, to work quickly and expeditiously.

Bill Brown's team working on completing the insulating and waterproofing.

Bill Brown's team working to fit the rigid insulation and lay the Preprufe waterproof membrane.

Our site had a number of Bill Brown’s team working in parallel – completing the final insulation placement and laying the Preprufe waterproofing membrane.  Simple yes, margin for errors – zero.

Fitting the rigid insulation.

Fitting the rigid insulation.

The crew completed almost half of the waterproofing on top of the insulation today.  We’re pouring the 3 inch protection slab on Monday.

Half of the waterproofing has been completed.

Half of the waterproofing has been completed.

We’re not insulating the window well or the stair well.

The window well is not insulated - it has geotextile fabric on the top of the crushed rock, even with the insulation.

The window well is not insulated - it has geotextile fabric on the top of the crushed rock, even with the insulation.

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