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Dripstop is designed to manage the formation of cyclical condensation on the underside of steel roofing in conditions characterized by high temperatures and humidity. While it does not entirely prevent condensation from occurring, when functioning as intended, it may feel slightly damp to the touch.
For optimal performance of dripstop, it is advisable to have a pitched roof with an inclination of at least 10 degrees. Roofs with shallower angles can cause water droplets to run off the surface rather than evaporating effectively into the environment.
Proper ventilation is crucial for dripstop to function correctly. Sufficient airflow within the building is necessary to facilitate the drying of condensation between each cycle. Without adequate airflow, condensation may become trapped within small pockets of the felt membrane, potentially leading to moisture buildup and subsequent dripping onto the building's contents, posing a risk of water damage.
When does condensation occur?
Condensation emerges when warm indoor air interfaces with a cold surface, such as a metal panel. It's a common occurrence, particularly on uninsulated metal roof panels during winter. As daylight warmth gives way to nighttime chill, moisture forms on the underside of these panels. Condensation can also manifest on clear nights when the roof's metal surface cools due to nocturnal sky radiation.
When the temperature surpasses typical humidity levels and meets the dew point, condensation materializes on cooler surfaces. This is where water droplets undergo cooling, and Dripstop retains this moisture within the membrane's pockets until conditions revert below the dew point. At that point, water droplets are released as regular humidity into the air, and the Dripstop surface dries out, initiating the cycle once more.
Neglected condensation can potentially trickle down the roof, accumulating on or penetrating the building's structure. This can lead to issues like rust, rot, and, in severe cases, water dripping directly into the building interior.
Typical uses of dripstop:
- Agricultural buildings
- Storage buildings
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Some of Our Service Reviews
Made up with the cladding and…
Made up with the cladding and corrugated roof sheets
Delivered early which was a bonus
All the sheets were not damaged
And l must say cheapest around
Will defo use again
Date of experience: 17 October 2023
Very pleased with my grey composite cladding. Staff helpful, free samples received, confirming a good product at a fair price, leading to my purchase.
Date of experience: 11 June 2023
Help with my new garage roof!
Trade Warehouse could not have been more helpful. They very patiently guided a roofing newbie through all of the stuff I would need to do the job and provided helpful tips along the way. It's rare to find a company offering such a fantastic level of customer service as standard. I would highly recommend them and will certainly use them again.
Date of experience: 23 August 2023
My contractor (Charlie Keep) recommended you to me so I could order the materials online for delivery direct to my home. These were for a project to construct a Garden Storage Area. The materials were perfect and the whole process was simple and slick with materials delivered on time and very well packaged. Charlie has since completed the project & I am very happy with the outcome.
Date of experience: 20 August 2023
Right product, right price, right delivery.
Right product, right price, right delivery. Sure, it was only one length of cast iron guttering but they took the order seriously, packed it well and kept me updated on delivery. And when I opened the very good packaging I found it was exactly what I had wanted. How can you do better!!
Date of experience: 31 January 2023
Fast , efficient service
Date of experience: 12 September 2023
It was exactly what I wanted
It was exactly what I wanted. Arrived in good order
Date of experience: 16 September 2023