DESOI Spiral Anchor System

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DESOI Spiral Anchor

material: stainless steel A2

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DESOI Spiral Anchor

material: stainless steel A4, front side red

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Screwing-in device

to screw in the DESOI Anchor (anchoring, pinning)

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Air pressure pistol

to remove bore dust out of boreholes, stainless steel tube Ø 5 x 530 mm

to pre-wet boreholes, spray lance Ø 10 x 400 mm, 4 lateral outlets Ø 2 mm, water connection Geka coupling

DESOI Spiral Anchor Mortar

15 kg bucket, incl. technical data sheets Tested by the Technical University Braunschweig, test no. 1065/7363 a, and by MFPA Leipzig (Institute for Materials Research and Testing), test report U 2.1/06-351, fire test acc. DIN EN ISO 11925-2, class E. INFORMATION: Building chemical products are subject to specified transport and storage conditions, in order to guarantee the quality and functionality. Thus, a return of such products is excluded.

with material tube, without accessories

Pneumatic pointing gun

with material tube, air plug

for filling the material tube

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internal thread R3/4", for polymer and metal nozzles

external thread G3/4"

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Brick and mortar saw AS200X - complete set

AS200X power saw (1.500 W), 1 set all-purpose blades, 2 set penetrating blades, heavy duty dust funnel, transport case

General purpose blades - AS200X

cutting depth: 110 mm, cutting width: 7.2 mm, 2 pieces in set

General purpose blades XL - AS200X

cutting depth: 170 mm, cutting width: 7.2 mm, 2 pieces in set

Switch box blades - AS200X

cutting depth: 120 mm, cutting width: 7.2 mm, 4 teeth, 2 pieces in set

Plunge blades - AS200X

cutting depth: 120 mm, cutting width: 7.2 mm, 5 teeth, 2 pieces in set

Precision joint blades - AS200X

cutting depth: 75 mm, cutting width: 7.2 mm, 2 pieces in set

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DESOI Spiral Anchor System

The rehabilitation of masonry requires comprehensive knowledge of the basic structure to be preserved or modified. For the consolidation of masonry the structural engineers expert knowledge of existing stress and stress release methods is needed. Wherever a frictional connection of the crack edges has be created the DESOI Spiral Anchor System is the ideal solution. The DESOI Spiral Anchor System is a certified combined system of the DESOI Spiral Anchor and the DESOI Spiral Anchor Mortar. For qualified installation of the spiral anchors DESOI special tools are offered. On-site instruction can be arranged.

Rissinstandsetzung mit dem DESOI Spiralankersystem

Crack repair with the
DESOI Spiral Anchor system

open PDF

Advantages and benefits

Minimal penetration into the masonry
Can be used for nearly all types of masonry
The spiral anchor acts like a retrospective inserted spring
Durable bridging of existing cracks
No risk of corrosion
Can be used for slight moist crack flanks
Certified System

Range of application

Cracks in facades and in the area of openings
Cracks in the area of lintels and arched lintels
Connection/anchoring of wall shells/cavity walls

Examples of application

Repair of cracks in masonry
Repair of cracks in plastered facades
Anchoring and needling of masonry parts
Objects in the monument conservation area

General recommendations for the installation

(technical specifications: cracks in the facade, general)

Cut the horizontal joint to a depth of 30 mm acc. to the drawing or the object data sheet, e. g. using the AS200X Brick and Mortar Saw.
The width of the joint should allow the complete embedding of the DESOI Spiral Anchor in the spiral anchor mortar
Clean out (exhaust) and wet the joints / slots
Using a pointing gun inject a bead (approx. 20 mm thick) of DESOI Spiral Anchor Mortar to the back of the slot / joint
Embed the spiral anchor in the spiral anchor mortar
For exposed masonry: Fill the joint with spiral anchor mortar but stop approx. 20 mm from the face of masonry. Use mortar matching the colour and material of the exposed masonry to repoint the remaining 10 mm
If the masonry will be plastered fill / point the joint completely with spiral anchor mortar

Examples of application

Cracks in masonry

Cracks in the area of openings

Cracks in masonry choring e. g. of natural stone facing

Cracks in the area of lintels and arches

Instructions for installation

The anchorage lengths of the spiral anchors are, for example, dependent on the nominal diameter
The anchoring length should be approx. 500 mm on both sides of the crack
Do not place the spiral anchors one above the other in a line, i. e. the spiral anchors 100 mm offset, e. g. 450 mm or 550 mm from crack
An object data sheet should be part of the planning documents (only in german available)

Brick and Mortar Saw

The Brick and Mortar Saw AS200X offers extraordinary control and precision and allows efficient and low dust cutting up to a cutting depth of 170 mm. This makes the Brick and Mortar Saw AS200X the ideal cutting tool for various applications, e. g.

Cutting horizontal joints for DESOI Spiral Anchors
Rehabilitation of facades
Masonry repairs
Removal of single bricks
Preservation and restoration of monuments and historical buildings
etc.

Advantages

Cuts deep and rectangular cuts without overlapping in the corners; surrounding masonry remains undamaged
Very good ergonomics provide unique, controllable cutting motion, preventing tool deflection and minimising the risk of accidents
Improved quick-change system with seven different quick-change blades
Less construction dust with the high-performance dust collection funnel
Very good cutting ability thanks to powerful 1500 W motor

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DESOI Spiral Anchor System

DESOI Spiral Anchor System

Advantages and benefits

Range of application

Examples of application

General recommendations for the installation

Examples of application

Instructions for installation

Brick and Mortar Saw

Advantages

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