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Expansion Joint Covers and Sealing Productsroof expansion joint, roofing expansion joints

Our Expansion Joint Covers are factory-manufactured flexible, weather proof, exterior covers for structural expansion joint openings, and are effective closures for a wide variety of special applications.  These covers are for sealing and waterproofing of high-expansion interfaces common in roofing, parking garages, large concrete decks.

We have Expansion Joint Seals & Covers in a variety of materials, widths and shapes to fit all types of construction. See below.

We also have related items under Flashings and in the categories of Backer Rod, Expansion Joint Sealants, Metal Goods and Pipe Seals. Concrete expansion joints up to 2 inches wide can be sealed with a self leveling expansion joint sealant. Sonneborn SL1 / SL2 and Novalink SL are most popular. Soft celled Backer Rod is used together with self leveling expansion joint sealants. It is used for expansion joints around pools, driveways, etc. See Backer rod sizing and installation information.

Questions? Email sales@bestmaterials.com
Or call 1-800-474-7570
You'll get a prompt reply!

 

EXPANSION JOINT COVER PRODUCTS: Universal Roof Flashing and Roof Expansion Joint Seal

DekStrip: Very durable TPE rubber flashing for large, curved or irregular profiles. Available in 7 to 18" widths and 33 or 75 foot lengths, with a 25% stretchable molded-in edge reinforcement. More Information.

Roofing Expansion Joint COVERS: For larger or higher movement expansion joints we have pre-fabricated joint covers. These are available in galvanized steel, stainless steel, aluminum and copper. Various shapes accommodate all constructions configurations. Splicing kits are available for each type.

      

TYPICAL FACTORY MANUFACTURED CORNERS AND INTERSECTIONS

Installation Instructions: Installation Guides (all types)

Submittal Specifications: Expansion Joint Covers (all types)

Please email sales@bestmaterials.com for current pricing if there is no link below.

IMPORTANT ORDERING NOTE: The Named Size noted in the tables below is the FLATTENED dimension of the rubber section. IE, for a 6 inch gap, you need to order a 10" bellow size. SEE THE BELLOW SELECTION CHART BELOW

 

STRAIGHT FLANGES (shipped in full cartons only)

PART NUMBER

DESCRIPTION (50' coil or 10' piece)

QTY/CTN

95805
95905
95115
95125
95135
95145

GALVANIZED FLANGES w/4" Hypalon Bellow, 50'
GALVANIZED FLANGES w/5" Hypalon Bellow, 50'
GALVANIZED FLANGES w/6" Hypalon Bellow, 50'
GALVANIZED FLANGES w/8" Hypalon Bellow, 50'
GALVANIZED FLANGES w/10" Hypalon Bellow, 10'
GALVANIZED FLANGES w/12" Hypalon Bellow, 10'

1
1
1
1
5
5

PART NUMBER

DESCRIPTION (10' pieces)

QTY/CTN

95179
95189
95199
95219
95155
95165

ALUMINUM FLANGES w/4" Hypalon Bellow, 10'
ALUMINUM FLANGES w/5" Hypalon Bellow, 10'
ALUMINUM FLANGES w/6" Hypalon Bellow, 10'
ALUMINUM FLANGES w/8" Hypalon Bellow, 10'
ALUMINUM FLANGES w/10" Hypalon Bellow, 10'
ALUMINUM FLANGES w/12" Hypalon Bellow, 10'

10
10
10
10
5
5

PART NUMBER

DESCRIPTION (50' coil  or 10' pieces)

QTY/CTN

95175
95185
95195
95215
95225
95235

STAINLESS FLANGES w/4" Hypalon Bellow, 50'
STAINLESS FLANGES w/5" Hypalon Bellow, 50'
STAINLESS FLANGES w/6" Hypalon Bellow, 50'
STAINLESS FLANGES w/8" Hypalon Bellow, 50'
STAINLESS FLANGES w/10" Hypalon Bellow, 10'
STAINLESS FLANGES w/12" Hypalon Bellow, 10'

1
1
1
1
5
5

PART NUMBER

DESCRIPTION (50' coil or 10' pieces)

QTY/CTN

95245
95255
95265
95275
95285
95295

COPPER FLANGES w/4" Hypalon Bellow, 50'
COPPER FLANGES w/5" Hypalon Bellow, 50'
COPPER FLANGES w/6" Hypalon Bellow, 50'
COPPER FLANGES w/8" Hypalon Bellow, 50'
COPPER FLANGES w/10" Hypalon Bellow, 10'
COPPER FLANGES w/12" Hypalon Bellow, 10'

1
1
1
1
5
5

 

CURB FLANGES (shipped in full cartons only)

PART NUMBER

DESCRIPTION (10' / PIECE)

QTY/CTN

95009
95109
95209
95309
95005
95105

GALVANIZED FLANGES w/4" Hypalon Bellow
GALVANIZED FLANGES w/5" Hypalon Bellow
GALVANIZED FLANGES w/6" Hypalon Bellow
GALVANIZED FLANGES w/8" Hypalon Bellow
GALVANIZED FLANGES w/10" Hypalon Bellow
GALVANIZED FLANGES w/12" Hypalon Bellow

10
10
10
10
5
5

PART NUMBER

DESCRIPTION (10' / PIECE)

QTY/CTN

95409
95509
95609
95709
95205
95305

ALUMINUM FLANGES w/4" Hypalon Bellow
ALUMINUM FLANGES w/5" Hypalon Bellow
ALUMINUM FLANGES w/6" Hypalon Bellow
ALUMINUM FLANGES w/8" Hypalon Bellow
ALUMINUM FLANGES w/10" Hypalon Bellow
ALUMINUM FLANGES w/12" Hypalon Bellow

10
10
10
10
5
5

PART NUMBER

DESCRIPTION (10' / PIECE)

QTY/CTN

95809
95909
95119
95129
95405
95505

STAINLESS FLANGES w/4" Hypalon Bellow
STAINLESS FLANGES w/5" Hypalon Bellow
STAINLESS FLANGES w/6" Hypalon Bellow
STAINLESS FLANGES w/8" Hypalon Bellow
STAINLESS FLANGES w/10" Hypalon Bellow
STAINLESS FLANGES w/12" Hypalon Bellow

10
10
10
10
5
5

PART NUMBER

DESCRIPTION (10' / PIECE)

QTY/CTN

95139
95149
95159
95169
95605
95705

COPPER FLANGES w/4" Hypalon Bellow
COPPER FLANGES w/5" Hypalon Bellow
COPPER FLANGES w/6" Hypalon Bellow
COPPER FLANGES w/8" Hypalon Bellow
COPPER FLANGES w/10" Hypalon Bellow
COPPER FLANGES w/12" Hypalon Bellow

10
10
10
10
5
5

 

COMBINATION FLANGES (full cartons only)

PART NUMBER

DESCRIPTION  (10' / PIECE)

QTY/CTN

95319
95419
95519
95619
95315
95415

GALVANIZED FLANGES w/4" Hypalon Bellow
GALVANIZED FLANGES w/5" Hypalon Bellow
GALVANIZED FLANGES w/6" Hypalon Bellow
GALVANIZED FLANGES w/8" Hypalon Bellow
GALVANIZED FLANGES w/10" Hypalon Bellow
GALVANIZED FLANGES w/12" Hypalon Bellow

10
10
10
10
5
5

PART NUMBER

DESCRIPTION (10' / PIECE)

QTY/CTN

95719
95819
95919
95229
95515
95615

ALUMINUM FLANGES w/4" Hypalon Bellow
ALUMINUM FLANGES w/5" Hypalon Bellow
ALUMINUM FLANGES w/6" Hypalon Bellow
ALUMINUM FLANGES w/8" Hypalon Bellow
ALUMINUM FLANGES w/10" Hypalon Bellow
ALUMINUM FLANGES w/12" Hypalon Bellow

10
10
10
10
5
5

PART NUMBER

DESCRIPTION (10' / PIECE)

QTY/CTN

95239
95249
95259
95269
95715
95815

STAINLESS FLANGES w/4" Hypalon Bellow
STAINLESS FLANGES w/5" Hypalon Bellow
STAINLESS FLANGES w/6" Hypalon Bellow
STAINLESS FLANGES w/8" Hypalon Bellow
STAINLESS FLANGES w/10" Hypalon Bellow
STAINLESS FLANGES w/12" Hypalon Bellow

10
10
10
10
5
5

PART NUMBER

DESCRIPTION (10' / PIECE)

QTY/CTN

95279
95289
95299
95329
95915
95925

COPPER FLANGES w/4" Hypalon Bellow
COPPER FLANGES w/5" Hypalon Bellow
COPPER FLANGES w/6" Hypalon Bellow
COPPER FLANGES w/8" Hypalon Bellow
COPPER FLANGES w/10" Hypalon Bellow
COPPER FLANGES w/12" Hypalon Bellow

10
10
10
10
5
5

 

BELLOWS SELECTION CHART  The Named Width is the FLATTENED OUT dimension of the rubber section (ie, when pressed flat). For example, for a 6-inch gap, you need to order a 10" size. SEE THE BELLOWS SELECTION CHART BELOW.

TYPICAL FACTORY MANUFACTURED CORNERS AND INTERSECTIONS

 

EXPANSION JOINT SEALANT (filling) PRODUCTS:

Concrete Control Joint (Saw-Cut) Sealants
Concrete Expansion Joint Sealants (self leveling, joint sealants)
    Backer Rod

Similar Products:

Lead Flashing Sheet
Pipe Flashings
Retrofit Pipe Flashings

MORE INFORMATION:

Expansion Joint Systems, Seals & Covers are flexible weatherproof, exterior covers for structural expansion joint openings, and are effective, closures for a wide variety of special applications. Widths are designed in various sizes to cover 4 to 12" wide expansion joint openings. Products feature a unique 3-ply flexible reinforced Hypalon bellow supported by a durable closed cell foam, which allows for anticipated movement in the structure, and metal mounting flanges factory locked to each edge of the bellow. Expansion Joint Covers with reinforced Hypalon bellow withstand the most extreme chemical and weather conditions without leakage. Accessories (corners, tees, end terminations, and crossover intersections) are designed for maximum flexibility and are produced using special techniques to ensure clean seam lines and watertight applications. Field seams are easily accomplished with standard splice kits.

APPLICATIONS:

Roof Expansion Joints are recommended to be provided for any one or more of the following minimum conditions.

  • When the roof size exceeds 200 feet in any direction
  • At all structural expansion or contraction joints
  • Where the deck material changes, for example from steel to concrete
  • Where the deck material or structural framing changes direction
  • Where building wings intersect, such as "U", "T", or "L" shapes
  • Where interior heating and cooling conditions change, such as between heated and unheated
  • At all building additions of any shape
  • Where differential movement between walls and decks may occur

Roof Expansion Joints are recommended to be constructed with raised curb assemblies which can allow adequate base flashing details for the roof system. Raised curb assemblies should be factory fabricated of galvanized steel to suit all project conditions which expedites and unifies project design and installation as opposed to traditional wood curbs which require extensive field installation time and thorough inspection of construction and attachment.

Over the raised curb assemblies, or at low profile expansion assemblies, the Portals Plus Expansion Joint Covers provide superior watertight integrity. Along with the standard cover profiles of Curb Flange, Combination Curb & Straight Flange, and Straight Flange, Portals Plus offers factory manufactured accessories available to suit virtually any project condition. The most common accessories are Corners, Intersections, and Ends. All factory manufactured accessories are custom made to suit each individual project's conditions, thereby assuring clean seam lines, continuity of joint material, and watertight integrity when properly spliced with Portals Plus standard splice kits. Contact Portals Plus for questions regarding any special details or applications.

Expansion Joint Products includes special products for sealing and waterproofing of high-expansion interfaces common in roofing, parking garages, large concrete decks and related waterproofing applications.

Expansion Joint Seals & Covers are flexible weatherproof, exterior covers for structural expansion joint openings, and are effective, closures for a wide variety of special applications.

Related Items:

Concrete Expansion Joint Caulking / Sealants
Pipe Flashing and Penetration Seals

We have related items under Flashings and in the categories of Backer Rod, Expansion Joint Sealants, Metal Goods and Pipe Seals. Concrete expansion joints up to 2 inches wide can be sealed with a self leveling expansion joint sealant. Sonneborn SL1 / SL2 and Novalink SL are most popular. Soft celled Backer Rod is used together with self leveling expansion joint sealants. It is used for expansion joints around pools, driveways, etc. See Backer rod sizing and installation information.

 

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