
Tectum Group testifies: "Quality and reliability"
We have worked with several other woods in the past, but we do see a difference....
We do...

We have worked with several other woods in the past, but we do see a difference....

10-year warranty on moisture resistance, strong board with good support...

There is no direct link between the aesthetics and quality of plywood. A less attractive-looking board can be just as qualitative.

In one construction project, unsuitable plywood was used for a roof edge that remained unprotected for months, leading to rot and delamination....

Plywood and concrete plywood are wood panel materials that can warp due to moisture and temperature fluctuations in humid environments.

Plywood made from durable woods contains more tannins, which protect against bacteria and mold. As a result, you get color deposition.

As a Roofer, how can you better protect yourself from external factors and dramatically increase your number of productive workdays?

At Solid John, we believe in the power of our products and the value they add to the work of roofers.

When fastening plywood/concrete plywood for eaves, we recommend pre-drilling the screw points with a countersink drill bit.

In a 2019 East Flanders subdivision, eaves began coming loose in 2022 due to faulty plywood...

In one construction project, unsuitable plywood was used for a roof edge that remained unprotected for months, leading to rot and delamination....

Solid John is coming to Belgian Roof Day 2025 and giving you full access to his backstage area. Visit us at booths 124 & 129.

At Solid John, we ensure the well-being of the heroes on site with smart, reliable solutions ánd a touch of humor.

Wall packages are getting thicker due to stricter insulation standards. This has an impact on the construction of eaves on flat roofs....

Solid John had a fantastic time at Belgian Roofday. Roofers were under the spell of the Solid John Man Cave and Mascot!

At Solid John, we believe in the power of our products and the value they add to the work of roofers.

Plywood and concrete plywood are sheet materials with glued veneer layers, but differ in top layer: concrete plywood has smooth finish.

WBP originally stands for "Weather and Boil Proof" and refers to an adhesive that resists 72 hours of boiling water.

Plywood and concrete plywood are durable and versatile sheet materials, but can suffer from delamination and rot. Avoid this!

There is no direct link between the aesthetics and quality of plywood. A less attractive-looking board can be just as qualitative.

Plywood and concrete plywood are wood panel materials that can warp due to moisture and temperature fluctuations in humid environments.

Plywood made from durable woods contains more tannins, which protect against bacteria and mold. As a result, you get color deposition.

As a Roofer, how can you better protect yourself from external factors and dramatically increase your number of productive workdays?

When fastening plywood/concrete plywood for eaves, we recommend pre-drilling the screw points with a countersink drill bit.
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