How To Seal Roof Trim

The trim strips that lie flat on top of the camper at the front and back are generally covered with an rv lap sealant just like the screw heads on all the roof fixtures.

How to seal roof trim.

On the sides the rubber roof wraps around the side of the camper and the trim strip is fastened to the side of the camper on top of the rubber. As you install the z trim you should back it up a little bit from the edge of the roof so that it doesn t get in the way when you want to bring your trim down. I m going to fasten this using pancake head fasteners making sure to thread the butyl tape as i go and install these fasteners every 12 inches going up the z trim. Ripping pvc trim exposes the open interior cells.

Pierce the inner seal of the tube with the tool attached to the. Cut edges can expose open cells that will hold moisture and lead to mildew and algae growth. Find roof panel closure strips at lowe s today. Make sure the end of trim you re starting with has no metal ribs exposed.

Begin fitting by pushing the start of the new trim on to your roof edge close to the intended start point then slide the trim to your start point with a few hard shoves. Though pvc is considered impervious to moisture this is not always true. I ve already prepared this trim and you can see beneath it that we re going to install it using z trim as we have throughout the rest of the project. I ll make sure to use tape seal in between the flashing and the top of the z and we ll use pop rivets for a concealed fastener installation.

Here is a video on how to seal a flat roof permanent it does not required a lot of skills just time to let it dry completely hope it beco. I show you how to seal rv roof seams yours. Don t forget the ends which are most susceptible to water. Cut the tip on a tube of exterior waterproof caulk at a 45 degree angle.

Use the cutting tool on a caulking gun or a utility knife. Cut a length of trim allowing a few inches over your roofs measurement.