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Fitting Doors

Instructional Video

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Self-fitting is a Lucrative DIY Project

By installing interior doors themselves, homeowners can save a lot of money (potential savings of about 45–70 euros per interior door). Our tools make installation so easy that even inexperienced DIYers can approach this task with confidence.

The Door Frame Assembly Set PRO contains all the clamping devices and auxiliary equipment required for installing a door: two Door Frame Jigs PRO, two Door Frame Aligning Clamps PRO, four shims, and a detailed manual. With this set, it’s child’s play to stand a door frame upright, transport it, align it vertically and horizontally and secure it in place.


Step-by-step instructions

Frequently asked questions

Step by Step: Installing Doors

Using the door frame assembly set, you stabilize the frame before standing it up.

1. Assemble the door frame

First, assemble the door frame as per the door manufacturer’s instructions.

When assembled, the frame is usually lying on the floor. Without suitable auxiliary equipment, standing the structure upright and carrying it securely is always risky for the sensitive mitre joints.

With the help of wolfcraft assembly jigs, this is no longer a cause for concern: they stabilise the frame so you can carry it with no risk of accidents.

Set the jigs exactly to the inside dimensions of the jambs.

2. Set the door frame assembly jigs

The assembly jigs can be set exactly to the inside width of the jambs. One should be fastened at the height of the lock and one at the height of the lower hinge. To fasten them, simply insert the clamping plates in the groove, and tighten using the eccentric lever.

The jigs and door frame now form a single solid structure, which is secure and stable and can be stood upright and positioned in the wall aperture without any possibility of the jigs falling out. The door frame is aligned horizontally with the aid of a spirit level and the four shims.

The jigs are fastened at the height of the lock and the lower hinge.

3. Fasten the jigs

Fasten two jigs to the jambs, one at the height of the lock and the other at the height of the lower hinge.

Now you can stand the door upright securely.

Now you can stand the door upright.

4. Position the door

Position the door frame in the centre of the wall aperture and secure it (e.g. with wedges) so it cannot fall.

The frame can be aligned easily using the spirit level.

5. Align the door frame

The Door Frame Assembly Set PRO includes two aligning clamps which can be used to achieve precise horizontal alignment in a few minutes.

To do this, fasten the clamps at the top left and right corners of the frame, by inserting the small clamping plates in the groove and then tightening with the eccentric lever. Use a spirit level to align the frame.

The aligning clamps can be easily tensioned and loosened using the ergonomic screw handle until the frame is optimally seated.

Then align the door to the wall.

6. Align the frame

Together with the assembly jigs, you can now perfectly align the door to the wall and to the inside surfaces of the frame.

You can do this very quickly and precisely even on your first attempt. Simply use the adjusting screws to move the jambs as necessary.

Once everything is optimally aligned, spray foam can be applied to secure the door frame in place, being now aligned parallel and ideally supported in the wall. The only thing left to do is to attach the architrave.

Now apply spray foam in the gap between the frame and the wall.

7. Secure the door frame with spray foam

Once everything is optimally aligned, you can apply spray foam at the points indicated, to secure the door frame in place.

Before you do, check the frame by hanging the door and making sure it works.

As the final step, fit the architrave.

8. Fit the architrave

When the spray foam has set, remove superfluous foam and fit the architrave. Finished!