Bondsure® BAC Double Sided Self Adhesive Bituminous Waterproofing Membrane
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Bondsure™ Membrane Series
Bondsure® BAC Double-sided Self Adhesive Waterproofing Membrane is made of polyester fabric as the intermediate layer, and the two sides are respectively covered with self-adhesive rubber asphalt adhesive material and isolation film. The polymer (chain segment) in the rolling material adhesive and cement hydrate (silicate network) form (interface) interpenetrating network (IPN) structure. The cement can flow and penetrate before the initial setting, then solidification strength increases day by day, the bonding strength is enhanced. The fluidity of cement slurry realizes the micro full adhesion between the membrane and cement slurry, so that the BAC Self Adhesive Rubberized Asphalt Waterproofing Membrane becomes the "skin" of structural concrete, even if the damage point appears, there will be no "water channel" phenomenon. ※ Material Features1. Cost-Effective
Manufactured by patented production technology, can be bonded with unsolidified cement, to completely eliminate water-channeling.
2. Unique Wet-application Technology Can be applied on wet or uneven substrate surface. No need of primer, not affected by the weather. Especially during rainy season, the advantage is more prominent when compared with hot-applied membrane.
3. Reliable Bonding of Overlapping Edges
As the bitumen waterproofing is self-adhesive type, it's very easy to do the treatment of overlapping areas.
4. Strong Bonding Strength
BAC Self Adhesive Flat Roofing Felt can be bonded tightly to the substrate, if there is local failure on the membrane, water would be confined in a limited area without fluid-channeling, which makes it much easier to repair.
5. Safe & Environmental-friendly
During construction, there is no solvent or fuel involved. Avoiding pollution, fire risks and saving resources as well.
※ Scope of Application
It is applicable to waterproof, anti-seepage, and moisture-proof
projects such as basement, self adhesive roofing felt, subway, tunnel, pipe gallery, pools, and so on.
※ Construction MethodsBAC Double-sided Self Adhesive Bituminous Waterproofing Membrane can use construction methods as below: Wet Application, Hot Application, Dry Application. 1. Wet Application
Wet Application is to use cement paste or cement mortar as bonding
material to bond the membrane with the base course. This
invention is a huge renovation for the waterproof industry. It not
only reduces the requirements for the base course during the
construction of waterproof membrane, but also greatly improves the bonding effect. Description of cement mortar used in wet application: The water-cement ratio is between 0.35 and 0.4, the thickness of
the coating on the base is controlled in 3-5mm. Note that the base
surface needs to be wet with water first (wet, no visible water),
then scratched cement mortar. During the paving of membrane, we
should pay attention to exhaust the air, so that the membrane and cement
mortar can be completely bonded with each other.
2. Hot Application
HOT APPLICATION is composite of rubber asphalt waterproof coating
and self-adhesive membrane which is closely bonded with the base
layer to form a "skin-type" bituminous waterproofing. It is an organic whole with complementary advantages, which can
adapt to the deformation and self-healing performance of the base,
effectively prevent water channeling and reduce leakage hazards. Substrate Requirements 1) The firmness and strength of the base layer should meet the
design requirements. 2) The surface of the base layer should be clean and smooth, and
there should be no quality defects such as powdering, sanding, peeling, voids and pits. 3) Remove sundries, greasy dirt, sand, etc. on the surface of the
base layer, and the cleaning work must be carried out at any time during the construction. 4) If there is clear water on the base layer, it needs to be
cleaned before construction. If the base surface is relatively damp, it needs to be dried with a
blower. 3. Hot Application
If the substrate condition can meet with designed and standard
requirements, flat, even, dry and without dirties, after covering the base surface with primer,
the membranes can be paved directly. Al l pipe fitting should be pre-covered as designed
and standard requirements, and to be seal treated. The internal and external
corners of substrate wipe to circular. The min radius of internal corners is 50mm and the max
radius of external is 20mm. Make sure the moisture content less than 9% (Dry test: pave 1 ㎡ membrane smoothly on the screed-coat, then check the self adhering waterproof membrane
paved side whether it has watermark or not after 3~4 hours, if not, it can be constructed).
※ Storage and Transport
1. Different types or specifications of products should be separated, not mixed. 2. Keep it dry and ventilated, protected from the sun or rain. 3. Storage temperature should not be higher than 45 ℃. Pile up the membranes flatwise whose stockpile height should not exceed five layers. 4. Prevent tilt or side pressure during transportation, and cover with felt if necessary. 5. Storage time is at least one year from manufacture date if the product is under normal storage condition.
※ Market Share
Joaboa Tech, Inventor and Representative Brand of Chinese Self Sticking Roll Roofing, whose market share has ranked as Top 1 in Chinese domestic market for over 10 years, widely used in Viet Nam, Cambodia, India, etc. as well.
※ Document Download
Joaboa Tech Bondsure® BAC Double-sided Self Adhesive Bituminous Waterproofing Membrane |
| Product Tags: Bondsure Self Adhesive Bituminous Waterproofing Membrane BAC Self Adhesive Bituminous Waterproofing Membrane Double Sided Bituminous Waterproofing Membrane |
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