Top Ten Design Considerations for Flat Roof Replacement

Is your condo facing a roof replacement project in the near future?

In New England, most flat roofs consist of membrane systems (EPDM, PVC, TPO, etc) that have a service life of around 20-25 years. When it comes time to replace them, here are a few things you need to take into consideration in choosing the replacement roof system:

Flat Roof Replacement

A flat roof being replaced at a Condo in MA.

1. Costs – what are the initial installation costs and the future maintenance costs?

2. Lifecycle – how long will the new roof last?

3. Durability – does the roof get a lot of foot traffic, or very little? Is there a high risk of vandalism?  What type of material should  be used?

4. Drainage – does the roof drain poorly? Would it benefit from tapered insulation?  Is there adequate drainage?

5. Insulation – is adding more insulation possible?  Can you re-use the existing insulation?

6. Wind Conditions – What are the anticipated wind speeds at the building? How will the roof system be attached to the building?

7. Structural Loading – what type of loading can the building withstand? Will the new roof weigh more or less than the existing roof?

8. Other Building Envelope Areas - are repairs needed at any of the above-roof walls, doors, or skylights at the roof?

9. Warranty Options – what types of warranties and service agreements are available from the roof manufacturer and the installer?

10. Aesthetics – Is the roof highly visible, or is visual appearance really not that important?

Which of these considerations are most important to you? Let us know in the comments.

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