Lay bitumen shingles

Lay bitumen shingles: bitumen

Commercially available forms
  • rectangle
  • triangle
  • trapeze
  • beavertail
  • wave
  • various special formats

Bitumen shingles are suitable for roofs from 15 to over 85 degrees and even for wall cladding.

But they are also quite suitable for a roofing of normal roofs. However, this is not (yet) widespread in Germany, while bitumen shingles are widely used in other countries.

What is bitumen shingles made of

Lay bitumen shingles: bitumen

Bitumen shingles are a real alternative to traditional roof tiles.

The shingles are made of a glass fleece. This fleece is coated on both sides with bitumen and blunted on one or both sides with a granulate or two different granules.

In addition, an adhesive strip or adhesive dots are generally applied to these layers, which cause the shingles to self-adhere as soon as appropriate solar radiation or a hot-air device activates the adhesive.

They are usually marked with target nail sites and the tongues are slotted. The upper part, however, is executed over its entire surface.

Which form of bitumen shingles are laid?

Lay bitumen shingles: shingles

Rafter length and roof pitch are crucial for choosing the shingle shape.

The different shapes are suitable for different rafter lengths and roof pitches.

The larger shapes such as rectangles and trapezoidal shapes are to be used with a rafter length of up to 10 meters with a roof pitch of 15 degrees and with rafter lengths of more than 10 meters with a roof pitch of 20 degrees.

Triangles, beaver-tail shapes and similar small shapes require a roof pitch of 20 degrees and longer rafters of 25 degrees for a rafter length of up to 10 meters.

This means that the lower the inclination, the bigger the shingles. How to calculate the rafters can be found here.

Which substrate for bitumen shingles?

Lay bitumen shingles: bitumen

On the wood come the subway and on it come the shingles.

While roof tiles are hung on the battens, you need a full-surface, level substructure made of wood, plywood, building boards or OSB boards of at least 18 mm (for residential buildings at least 24 mm), if you install roof shingles.

On the wooden substructure a pre-laying membrane for bitumen shingles will be laid. It is also called subway (roofing felt or underlays) and additionally protects.

In some cases, bituminous welding tracks are also used as a base - especially with low roof pitches.

In addition, eaves sheets are nailed to the eaves under the bitumen shingles. The strips on the sides, however, come over the edges of the lower course.

Information about roof insulation can be found here.

Attention: For roofs with a slope of more than 85 degrees and wall coverings, you should glue the sub-webs as well as the shingles over the entire surface and use twice as many nails as for roofs with a slope of 15 to 85 degrees.

Advantages and disadvantages of bitumen shingles

  • easy to work with
  • economical
  • Shelf life: 25 to 35 years and more
  • many shapes and colors available
  • good insulating
  • low weight
  • suitable for complex roof shapes
  • not accessible in heat and direct sunlight
  • a little less durable than sheets, for example

Laying bitumen shingles - instructions

  1. Lay bitumen shingles: roof

    Peel off the film on the back just before nailing.
    Remove old roof coverings - If it comes to a renewal of the roof covering, all old coverings must be completely removed. Just like the sheets, which can be used again, if they are still in order. The surface must be smooth (no splinters and damaged areas) and swept clean before a new surface can be applied.
  2. The eaves plates should have a supernatant of 8 cm and be bent down. They are nailed in front of the underlays while the side panels are nailed to the underlays.
  3. Apply roofing felt - The roofing felt or a roofing membrane is laid overlapping from below (at the eaves). The overlap should be at least 10 cm for roofs with a slope of 20 degrees or more. If it is flatter, with a 15 to 20 degree incline, the overlap should be 50 cm. In this case the first track is a 50 cm wide strip placed on the eaves edge and from there on 1 m wide roofing felt with 50 cm overlap to the ridge. Finally, over the ridge a 50 cm track is laid in each eaves direction. If you start in the horizontal, you will ensure there is an overlap of 30 cm.
  4. Lay bitumen shingles: roof

    For the first row, the ties are cut off at the height of the cutouts.
    It is fastened with roofing dowels (corrosion protected wide-head pins). Keep a distance of 5 cm from the sides. Use two rows of nails per track with a maximum distance of 40 cm in the sequence. Always hammer in the nails until the head arrives on the layer, never sinking into the layer. It can be previously glued for fixation or stapled.
  5. Nail side panels - About the subways, the lateral metal strips (Ortbleche) are nailed.
  6. working direction - For small, low roofs you can work completely from the eaves towards First, row after row. Larger, taller and steeper roofs make it easier to work from one side to the other.
  7. Lay bitumen shingles: eaves

    The first row is then nailed to the eaves with the smooth edge and the second row is overlapped over it as indicated above.
    First row - Cut off the tongues of the bitumen shingles for the first row and nail this first row with the smooth edge to the eaves. As with the underlays, even with the bitumen shingles, the nails are hammered only down to the surface, but not into them. The nail points are marked on almost all bitumen shingles, with the first lane you have to nail it differently. Important: with the whole roof each nail should be well covered, so that it becomes dense. So there are no nails visible at the end. The edges on the sides are glued throughout.
  8. Second row - The first bitumen shingle is shortened in half for the second track, so that a uniform offset arises. The tongues are placed flush with the eaves and nailed the shingles.
  9. Lay bitumen shingles: shingles

    Mostly the bitumen shingles have a mark indicating where every other row is cut off.
    episode series - The next row begins with a whole bitumen shingle and then every other orbit is shortened by half a shingle. On the roof sides, all shingles are carefully glued with the glue. The shingles are nailed overlapping, so that the tongues lie on the closed surface of the previous row. Stay straight and check it again and again. Chalk lines on the lower lane help to execute the rows straight.
  10. For the ridge of the roof trapezoids are cut (see picture) and these are nailed up in a scaly overlapping manner. The first and last shingles are glued over their entire surface. Note the main wind direction when forming the ridge row. The wind should not usually blow against the shed direction. If you live in a very windy location or the orientation of the roof is unfavorable in the wind, then glue the whole row of ridges over the entire surface as a precaution.

Lay tips for bitumen shingles

Lay bitumen shingles: eaves

For the ridge, individual tongues are slanted at the top on both sides.

Lay bitumen shingles: roof

The ridge series is formed with these sections and both nailed and glued.
  • More nails (twice as many) and additional bonding even under particularly high wind loads (eg in low mountain areas and coastal areas).
  • brighter colors heat up less in the sun and are accordingly less sensitive to pressure and abrasion during processing.
  • In the storage You should consider all the manufacturer's instructions on the package.
  • Never place pallets on top of each other or store the shingles outdoors in the sun.
  • Bitumen shingles if possible not in blazing sun and / or at high temperatures.
  • The best early morning in the summer west side and in the evening the East Side embarrassed.
  • So far Protectors on the adhesive surfaces are deducted only immediately before the transfer of the next series.
  • Be careful not to step on the bitumen shingles or to top them up with pads save - especially in sunlight or high temperatures. On the one hand you could slip on the bitumen, on the other damage the shingles.
  • pad on the knees can be helpful.
  • Use the adhesive recommended by the manufacturer (usually bituminous adhesive) and pay particular attention to careful bonding to the side edges
Precautions: Protect yourself against the sun's rays. Wear safe footwear, suitable ladders and, if necessary, fall protection devices. Softened bitumen becomes slippery!

What to look for when buying roof shingles?

Look for good quality to keep your roof long-lasting and durable. In addition to the obligatory CE mark, bitumen shingles should comply with the EN 544 standard and be appropriately marked. A high bitumen content is also a quality feature.

In addition to the price, compare how much bitumen per square meter is included. Last but not least, the adhesive surfaces for tightness and storm resistance are decisive. The bigger and more closed, the more effective. Another criterion is the warranty period guaranteed by the manufacturer. Check and compare is worthwhile!

Lay bitumen shingles: shingles

Lay bitumen shingles: shingles

System components and ventilation

In some cases, manufacturers offer various additional system components, such as tailor-made eaves and ridge parts. This can make your job much easier. Some manufacturers also offer elements for ventilation, as they are absolutely necessary when roofing of housing, as a bitumen shingle roof would otherwise be too low vapor permeability.

However, if you get stuck laying bitumen shingles, this is unlikely to be the case. The installation on residential buildings should usually be carried out by a specialist company, since they know and implement the different guidelines for this product. In addition, the liability of companies is a security that should not be underestimated, which can also be assumed, for example, by your insurance company. If necessary, inquire in advance.

Frequently Asked Questions (FAQ)

  • Lay bitumen shingles: shingles

    In a hipped roof, there are five ridge lines.
    Lay bitumen shingles Pent roof? In the case of a pent roof, a ridge is formed on the higher eaves edge on the eaves panel.
  • Lay bitumen shingles hipped roof? The hipped roof has five ridge lines. At the points where three ridge lines meet, suitable blanks are glued over the entire surface.
  • Lay bitumen shingles ridge? Either you form the ridge as described in the manual or you use a finished element from the same manufacturer.
  • Lay bitumen shingles temperature? Moderate temperatures in spring and autumn are particularly good. If the heat is too high, the bitumen will be too soft and easily damaged. If too cold, the material is not elastic enough and breaks too easily during bending. Even the automatic gluing does not work well in cold weather. If necessary, work with a hot air blower. Better to work at suitable temperatures between 15 and 25 degrees without direct sunlight.
  • Lay bitumen shingles price? The bitumen shingles cost about 10 and 20 euros per square meter, depending on the design and quality, plus eaves, subways, nails and glue.
  • Cover picture: Pixabay / BKHaer
  • Bitumen shingles anthracite: Pixabay / Alycia
  • Bitumen shingles red: Pixabay / Castar
  • Rafters: Pixabay / Erwin490
  • Substrate: Pixabay / AllureGraphicDesign
  • All images of the manual: Christiane Baldwin
  • red ribbed shingles: Pixabay / 901263
  • green ribbed shingles: Pixabay / EnginAkyurt
  • Post picture: Pixabay / Castar

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