Vinyl siding question?

i know a lot of the tricks to doing vinyl siding .but what do you do when your using new construction windows that have the J-channel built in.when you slide the siding behind it what keeps the weather/water from getting between the siding and window?its not weather tight.if you seal around it doesn't that affect the siding from being able to float or move so it won't buckle.also ive been looking at a lot of newlt built houses in the area that are vinyl sided and have noticed a lot of them were done horribly,the siding was very wavy.i can under stand older houses being covered vinyl siding having waves/buckles in them,but new houses,whats going on?are they all like this because im paying more attention to it now that im siding or what.plus anymore hints at siding much appreciated

Vinyl siding question?
You can use the j-trim that is built around the window, but my suggestion is that you set the window in and then caulk before you slide your siding in place, there should be plenty of room for the siding, once you have done this then you need to seal the window with caulk to prevent water/weather damage from happening. The siding will not buckle here because you will not nail it tight. Never nail siding tight, it has to be able to move.





When hanging siding, take the claw of the hammer and slip it between the nail and siding. There should be just enough clearance for the claw of the hammer, adjust as needed.





Make sure you are allowing enough room at the ends, so that the siding moves freely but do not leave a gap, there should be 1/16-1/8 inch clearance at each end.





The trick is to make sure that it's not nailed tightly or to loose at the ends.
Reply:You seal around the windows. No the seal stuff is kind of rubbery and expands and contracts withe the weather. New houses contractors try to rip you off and save a dollar every way they can.



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