Commercial and residential multi-pipe installations demand versatile, heavy-duty sealing options to handle dynamic pipe penetrations. Variables such as thermal deflection, wind shear, and seismic micro-vibrations frequently degrade rigid roofing seals, resulting in moisture ingress and structural decay within building envelopes.

The YS-13 multi-size roof flashing, engineered under the Yombo brand, addresses this need with an adaptable, stepped configuration designed for pipe diameters spanning 1/4" to 5-3/4" (6 mm to 146 mm).

Advanced Material Engineering

To withstand long-term field degradation, the YS-13 features a highly responsive compound design tailored to harsh macro-environments:

Elastomeric Sealing Cone: Fabricated in either high-tensile EPDM or high-temperature Silicone. The EPDM option offers severe ozone and ultraviolet cracking resistance. The alternative Silicone formulation is optimized for elevated temperature profiles, maintaining long-term elasticity up to 240 degrees Celsius.

Technical Specifications

Product Model: YS-13

Applicable Pipe Range: 1/4" to 5-3/4" (6 mm to 146 mm)

Base Dimensions: 205 mm x 205 mm

Material Infrastructure: EPDM + Aluminum / Silicone + Aluminum

Compliance Standards: RoHS Compliant, 100 Units Minimum Order Quantity

Field Reliability Factors

Achieving a leak-proof mechanical fit depends heavily on precise field resizing. Contractors should slice the stepped ring corresponding to a size slightly smaller than the target conduit diameter to ensure an interference-fit compression seal. Fastening the 205x205 mm perimeter with consistent mechanical anchors prevents localized flange distortion.

Frequently Asked Question:
Can the YS-13 flashing handle irregular pipe profiles?
Yes. The nested mechanical bellows configuration absorbs severe multi-axial deflection, allowing the flexible collar to preserve seal compression on off-center or vibrating lines.