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When cutting into a foam roof system for a new penetration(s), please call to schedule 2 weeks in advance. It is important to remember the less roofing material you cut out the better. Make the cut no larger than the new curb or penetration. A maximum cut would be no more thane 2 inches around the perimeter of the new penetration. See two examples below of two separate situations. |
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If the penetration has a self-flashing flange, such as a pipe penetration, cut the hole about the same size as the pipe. The self-flashing flange or roof jack is to be installed over the top of the roof system as shown. |
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At this point, foam and coating is to be applied to the vent to properly seal. For a temporary seal, urethane caulking and webbing can be applied. Do not use silicone or mastic as they are not compatible with the acrylic coated roof system. |
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Take note, it is not advisable to cut the foam roofing out down to the deck to fit a roof jack as shown or cut out more roofing than necessary. (THESE TWO EXAMPLES ARE INCORRECT) |
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For physical damage repairs, fill with urethane caulking or white elastomeric coating with granules as shown. |
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If you have any questions, please call Rodney at 909 606-4717 |
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When is the last time you, your plant engineer or maintenance supervisor walked your roofs? Do you have a scheduled Spring and Fall inspection with a minimal cleaning of roof surfaces, drains and gutters? Have you checked for storm damage removed fallen limbs or debris? Do you have a checklist of conditions and a reference file for proper "No surprise" budgeting techniques?
It's important to remember that over 90% of roof leaks and premature system failures occur at the roof details: walls, metal edges, flashings, protrusions, sheet laps, drains, etc... Proper identification and elimination of problems on a timely basis can circumvent replacement prior to assembly damage.
Schedule inspections and maintenance work, not only to prolong the life of sound systems, but also to reveal areas that are beyond the stage of maintenance dollar return.
"An out of sight, out of mind attitude toward your roofing systems is dangerous. It's also poor asset management. Too many owners and managers have been burned by premature roof failure. When water starts entering the building, hard assets, corporate profits and maintenance personnel start taking a beating." So don't wait - start now:
1. Use life-cycle costing to assure maximum roof life
2. Adapt a pro-active roof maintenance protocol.
3. Perform semi-annual roof inspections and repairs.
4. Budget a minimum of $.05 per square foot, per year for preventative maintenance
(beginning in year #1)
5. Budget $0.25 per square foot for a more exstensive remedial restoration.
6. Track all collateral building damage and incidental costs associated with leaking roofs.
7. Show management how past collateral damage costs exceed the cost of implementing a roof maintenance and management program..
Begin your roof maintenance program today. Keep a record of your roof(s) maintenance program with your contractor and a second copy up on the roof (out of the weather in a roof hatch - for example)
Clean away debris and conduct roof inspections twice a year and after any major storm. Call your roofing company immediately in the event of major roof damage.
Please contact us for a free estimate, further information, architectural specifications or answers to your questions about polyurethane foam roof systems, specifications and approvals.…