Questions and answers

Of course, we want to provide the best possible support when using our products and offer quick and efficient solutions to questions. That is why we have put together the frequently asked questions about our products clearly and descriptively. We are happy to answer any questions on general, technical or specific topics on this page. If your question is not included in our list, you are welcome to contact our engineers from our application technology department using the contact form or our information hotline. We are happy to help and are always working to improve our service.

Frequently asked Questions

What is injection mortar?

Injection mortar, also known as composite mortar, is a synthetic resin-based assembly mortar and consists of two components.

The mortar is packaged in a cartridge and is supplied with a
Squeeze gun out. Do-it-yourselfers are also using injection mortar
able to install heavy-duty attachments such as an awning .

For applications with injection systems, special care must be taken when cleaning the borehole. Please note the corresponding
Assembly Instructions.

When do I have to use a sieve sleeve?

Perforated sleeves are used in hollow chambers or perforated bricks.

Perforated stones cannot be used without a perforated sleeve.

Which sieve sleeve do I need for which threaded rod?

Each threaded rod has specific perforated sleeves.

The ratio of the diameters must be observed. The threaded rod M 8 or M 10 requires a perforated sleeve with a diameter of 16 mm, for M 12 and M16 a perforated sleeve with a diameter of 20 mm is suitable.

The perforated sleeves are also available in different lengths.

Can Chemofast VK injection mortar to be used to fix a 5 m long awning to a house wall?

The mortar is definitely suitable. But the conditions must be met! Anchor diameter, prepare drill hole accordingly, etc.

Please note that modern thermal insulation blocks in particular cannot bear the required loads of large awnings.

Anchoring in the concrete ceiling is recommended here.

What does rebar mean?

REBAR is a subsequent reinforcement connection.

Both in new construction and in the renovation of existing buildings
so new concrete structures to existing concrete. After completion, it functions like a component.

How does a heavy duty anchor work?

Heavy-duty anchors work on a similar principle to conventional anchors. she
spread in a hole in the concrete and are thus clamped
(Friction or adhesion).

The biggest difference is that with a heavy-duty anchor there are no plastic parts to deform
used, but a mechanical construction made of metal.

This allows the heavy-duty anchor to be used with a far greater torque
tighten and can then absorb very high loads.

Are the Wedge Anchors galvanized or made of stainless steel?

Our bolt anchors BA & BA Pro are galvanized. The two variants
BA A4 and BA A4 Pro are made of stainless steel and are therefore for outdoor use
authorized.

Do the bolt anchors have a structural approval?

Yes. The bolt anchors BA & BA A4 have a European Technical
Evaluation option 7 (uncracked concrete). BA Pro & BA Pro A4 models have European Technical Assessment Option 1 (uncracked and cracked concrete).

What is assembly adhesive?

The CF Multi assembly adhesive is perfect for elastic bonding
on all common, even slightly damp, surfaces.

In many cases it is a real alternative to the drill.

What can you glue with the CF Multi assembly adhesive?

Everything from glass to metal, tiles, plaster, concrete, plastic to polystyrene, cork and PVC can be glued.

Adhesive joints in bodywork, caravans and containers are also part of the job
Area of ​​application such as structural bonding of safety glass.

In addition to adhesive applications indoors and outdoors, it is also ideally suited as a sealant in sanitary areas or for air conditioning systems.

How do you get the mounting adhesive off?

First of all, as much glue as possible should be cut away with a knife.

Then remove the remaining adhesive residue with a mild solvent.

Is the CF Multi assembly adhesive suitable for sealing caravan windows?

It can be used both for sealing old and for inserting new caravan windows.

Can a metal curtain rail be attached to the ceiling with CF Multi?

This is easily possible. The splint should be clean, dry and free of dust and grease.

If your ceiling is wallpapered or painted, the wallpaper may peel off.

In such cases, a classic dowel application is recommended.

Can wooden skirting boards also be bonded with CF Multi?

This is easily possible.

The splint should be clean, dry and free of dust and grease. Should their ceiling be papered or
been painted, the wallpaper may peel off.

In such cases, a classic dowel application is recommended.

What is an SDS plus mount?

SDS plus stands for a special drill shank system, for percussive and
rotary drills and rotary hammers. With this plug-in system
the drill shank is provided with special grooves that ensure better
ensure power transmission. In contrast to other plug-in systems
the SDS drill shank enables tool-free and fast
change of drills.

Can I drill in reinforced concrete with the drill?

Yes. Drill bits from CHEMOFAST are suitable for drilling in aerated concrete &
Sand-lime brick, reinforced concrete/reinforced concrete, granite & marble and
Masonry and perforated brick. Not for drilling in masonry and perforated brick
drill with impact! When hitting the reinforcement (steel) in the concrete
the force on the hammer drill must be reduced, the drill can
then work your way through the reinforcement. Please note that this
Destroying the reinforcement can affect the statics of the structure
can. If in doubt, please consult a structural engineer.

Wasn't your question included? Then just write to us.