For single doors, as a general rule, add 2" in width and 2-1/2" in height to the nominal door size for single doors. For instance, a standard 3/0 x 6/8 door would require a 38" x 82-1/2" rough opening. Pairs would require twice the nominal door width plus 2" as well as an additional 1/2" if there is an astragal ( between them. For example, a standard pair of 3/0 x 6/8 doors with an astragal would require a 74-1/2" x 82-1/2" rough opening.

For all prehung units we REQUIRE that you provide us with your rough opening size. We will build the unit to fit the rough opening size that is provided. If this is for new construction, we normally add 2" to the height of the door and a total of 2" to the width of the door for a rough opening. This allows for the thickness of the jamb and leaves an extra 1/2? in width and height to square the unit. See similar questions...

For standard size new construction windows, usually 1 " under the nominal size of the window, which will allow 1/4" clearance all around. For example, for a 4030 XO window, make the RO 47" X 35". If you order a custom sized (heel dimension must be stated) window, the window will be the heel dimension ordered, so you will need to make the rough opening that size PLUS whatever clearance you wish, usually 1/4" all around. See similar questions...

The same size as your door. The door fits against the opening from the inside. The opening should be finished with an exterior perimeter seal or stop molding to seal against the elements. See similar questions...

Eight 8d common nails (See Figure 5) should be driven through the rectangular box (stair frame) into the rough frame to help hold the stair in place temporarily while positioning the stair as in step 4 of the instructions. When used properly, the size screws and nails suggested are best. See similar questions...

The Garage Door Screen is mounted (in front of the doorstop, one-inch wood strips) on the header and the doorjambs which the garage door is mounted to. See similar questions...

Determining the jamb width for a prehung door can be tricky. For most interior applications it is simply a matter of measuring the overall wall thickness. For instance, a standard wall constructed with 2 x 4 studs and 1/2" sheetrock on both sides would have a wall thickness of 4-9/16", that is 3-9/16" (the net width of the 2 x 4 stud) plus 1" (1/2" sheetrock times 2 sides). See similar questions...

Yes, the screen frame is offset to compensate for this. The adjusting screws for the screen wheels need to be facing the interior of the house. If the screen is installed‘backwards’ then the handle hits the patio door. See similar questions...

No. All that is needed is 1 inch on the top and 1 inch on each side for mounting . Our screens have 1 inch of hook fastener double stitched across the top and on both sides. If your opening is substantially shorter or narrower, you may have to add wood to you door framing, however, this is seldom needed. See similar questions...

To avoid air infiltration, it's necessary to have efficient weatherstrips for the outdoor perimeter, between each section and under the door. JPR offer you a complete lineup of quality products adapted to your needs for your new door or for changing your old weatherstrips. See similar questions...

For overhead doors you need 18" additional height for door track and 3" on each side for the side door track. What are you putting in the building? If your boat and trailer have a combined height of 10 feet, you need to plan on a building with 12 foot doors See similar questions...

Our Roll-Up Doors are attached to the wood guide rails which are part of the door package, and require support of vertical walls. See similar questions...

This is the width of the space that an overhead door will need to cover. If you provide us with the TODCO serial number, we have the opening width of your door on file. If the serial number is not available, please provide the actual measurements of the width of your trailer, from the left inside wall to the right inside wall (post to post), along with the name of the manufacturer of your truck body or trailer, and the year it was made. See similar questions...

This is the height of the space that an overhead door will need to cover. If you provide us with the TODCO serial number, we have the opening height of your door on file. If the serial number is not available, please provide us with two actual measurements: 1) the height of your trailer, from the inside floor to the inside ceiling, and 2) the distance from the inside floor sill to the underside of the header. See similar questions...

Add ?" to sum of the nominal block sizes for both the height and width. Example: panel (using 8"x8" block) is four block wide and five block high. Rough opening needs to be 32-1/4" wide and 40-1/4" high. All mortar joints are 1/4" wide. Assumes a ?" mortar joint will be used. Multiply the number of glass blocks by the nominal size (4", 6", or 8"), and then add to that sum an extra 1/2". Apply this formula to determine both the width and height of the opening. See similar questions...

To achieve a single access door you would require an odd number of panels to stack in one direction i.e. 3, 5 or 7, etc or to split the stacking to both sides in order to achieve an odd number configuration to at least on side, i.e. 2:1, 5:1, 5:3 etc. To achieve a French door opening, you would require an odd number configuration to both sides, i.e. 1:3, 3:3, 7:3, etc. See similar questions...

The opening on the small door measures 5" by 7", medium is 8" by 11", and large is 10" by 15". The rise is the area the pet needs to step over to go through the door. The rise on the small and medium door is 2" and the large has a 9" rise. See similar questions...

They are 13cm (5.25"). The "multi-fit" design speakers should fit without any work to the mounting, although new connectors on the original speakers cables are apparently required. See similar questions...

This depends on the type of fireplace you own, masonry, exact fireplace opening size (the height and width), as well as the type of facing, pre-fab or zero clearance. We would also need to know the manufacturer and model number. See similar questions...

In 4 foot (trough to crest) very steep waves as long as you have wind, she’ll reach and run with very little roll. (If anyone starts to turn a little green, get them out of the cabin, eyes focused on horizon, and don’t read, it should pass in a few minutes, if not gone too far). Close-hauled in 4 foot waves some spray will reach the cockpit but you can duck behind the raised pop-top (with dodger installed) to stay dry. See similar questions...