GORV - Digital Magazine Issue #45 | Page 23

RV FEATURE
looking for separation of the sealant at the join or cracked sealant .
Roof hatches and other roof components can leak , too . When you ’ re on your ladder inspecting J-moulds , inspect the hatches and other components that have been screwed and sealed on the roof , such as solar panels .
Roof hatches are prone to leaking .
separates from the cladding surface . Sealant will not last for ever . Add in a van that flexes a little and it ’ s not a matter of if but when seal integrity is compromised . In some cases , perhaps the sealant wasn ’ t applied properly when the van was built .
You should have a close look at all the joins , especially the J-moulds ( which are the J- shaped moulds that seal the join between the side panels and the roof / front / rear panels ),
Be careful when putting any of your weight on the roof – keep as close as possible to the sides of the roof .
Sometimes it ’ s hard to see a break in a seal on the roof , so in those cases have a close look inside , around the upper panels , looking for any dampness or discolouration ( water stains ) on interior linings .
Resealing a caravan well with ‘ silastic ’ sealant takes practice , as it ’ s messy stuff and there ’ s a knack to doing it well . If you ’ re doing it yourself , don ’ t use any old cheap silicone
Water damage caused by degraded sealant .