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You can walk on a TPO roof, but you should only do so when necessary and wear footwear that’s less likely to puncture the surface. If you anticipate needing to frequently walk on your TPO roof, reinforce walkways to protect against punctures. TPO roofing can also be slippery, so in most cases, you’ll want to leave walking on it to the pros.

The most common defect in a flat roof is leaking. Flat roofs have minimal slope, so water pools more readily on a flat roof than on a sloped roof, and the risk of the waterproof membrane failing increases with exposure. Tears and punctures from foot traffic and blown debris are other common problems, especially with single-ply roofing membranes like TPO and EPDM roofs.

No, cool roofs are not suitable for all climates. Cool roofs are very good at reflecting solar heat, so they’re suitable for homes in warm or hot climates. However, they’re not good at retaining heat, so they’re not suitable for homes in cold climates.

Walking on any roofing material is dangerous, so you should avoid it if you can, but if the need arises, you should know that you can walk on a concrete tile roof without damaging it. Try to step on the bottom portions of the tile that are supported by the lower layer, and distribute your weight evenly across both feet and hands, if possible.