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Renovating Old Wooden Stairs

Save a lot of Money with this DIY Project

Instructional video

Flexible and Functional: The Stair Gauge

Up to now, uneven angles and curves as well as essential expansion gaps and material allowances have confounded even the most proficient DIYer. 

Thanks to the stair gauge, measuring complicated step surfaces can now be done easily and effectively. This means that even less experienced DIYers can tackle this project, saving thousands in costs.

Step by Step Instructions

1. Lay out Steel Rails

The set contains 15 galvanised steel rails in different sizes. Choose the correct sizes. Next lay out the lengths and angles of the step, taking care to map out the full contour.

It is entirely acceptable for the elements to overlap here. Use the chain element included in the set for rounded contours such as those found in spiral staircases in old buildings. Next join the rails using the bolts and wing nuts. Do not tighten the bolts yet.

2. Attach Spacing Guides for Expansion Gaps

Attach the spacing guides for the expansion gaps to the sides that will be touching the wall. Use the bolts and wing nuts for this too.

3. Adjust Template

Align the template together with the spacing guides for the expansion gaps precisely with the contours of the step and the wall profile.

Once you have made your adjustments, tighten the bolts to stabilise the template.

4. Measure and Calculate Material Allowance for Riser

If you are also replacing the riser (i.e. the vertical step surfaces), you must add the thickness of the riser material to your step's depth measurement. In the instructional video, we calculate this to be 6 mm.

You should also add a material allowance of 3 mm for the expansion gap as well as the overhang you want for the step (in our video 11 mm).

Keep a note of your total (in our example 20 mm).

5. Fasten Overhang Measuring Device for Steps

Fasten the two overhang measuring devices included in the set at two points on the leading edge of the step or the long side. The overhang measuring device consists of two parts. Position the larger part with the scale upwards over the rail.

Guide the bolt through the aperture and insert the slider. Fasten the two parts in the position you want using a wing nut. Read off the correct distance (in our case 20 mm) on the scale and tighten the bolt. 

6. Stabilise and Remove Template

Check whether all elements are firmly connected by the wing nuts. If not, retighten them again. The template is now stabilised and can be removed.

The multiple fastening points prevent the measurements being lost during transport, and enable you to transfer the stair gauge to the step blank with confidence.

7. Transfer

Place the template on the workpiece and position the stops of the overhang measuring device precisely on the front side. You can now transfer the contours to the wood by tracing along the steel rails with a pencil.

8. Saw

Saw the step along the scribe line using a guided circular table saw or jigsaw.

This gives you a perfectly fitting step that correctly reproduces all the expansion gap dimensions and material allowances.

 

9. Install Step

Use a suitable construction adhesive in a 300 ml cartridge and our caulking gun MG 600 (art. no. 4356000) to install the step.

Apply the adhesive in a wavy pattern over the entire surface. You can now insert the step and press lightly. Note the manufacturer's specifications on the adhesive's drying times.

Finished!

Frequently Asked Questions

The stair gauge consists of a set of rails of different lengths, giving you good flexibility when it comes to shape and size. You can gauge steps up to a maximum width of 1.2 metres with ease.

Yes. The modular system gives you great flexibility in terms of the step shapes that can be gauged.

Yes, with the flexible chain element you can also gauge curves.

 

If you are using wood as a new covering, you must make sure that you can insert the step with a snug fit. Since wood is "alive" and expands (depending on the type of wood and how it was treated) and you want to avoid creaking (rubbing of the step against the side stringers), we include spacing guides with the stair gauge that allow for an expansion gap of 3 mm. This gap makes sure that the step can be inserted with ease and that the wood has enough room and space.

The stair gauge gives you good flexibility here too. You can insert steps that fit flush with the riser as well as steps with an overhang. We also provide the overhang measuring device in the set as an accessory for including an overhang or material allowances for steps.

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