Pella Corporation	May 2019
102 Main Street
Pella, Iowa 50219
Toll Free	(800) 54-PELLA
Phone	(641) 621-1000
Website	www.pella.com

Product Guide Specification

Specifier Notes:  This product guide specification is written according to the Construction Specifications Institute (CSI) 3-Part Format, including MasterFormat, SectionFormat, and PageFormat, as described in The Project Resource Manual—CSI Manual of Practice, Fifth Edition.

The section must be carefully reviewed and edited by the Architect to meet the requirements of the project and local building code.  Coordinate this section with other specification sections and the Drawings.  Delete all “Specifier Notes” after editing this section.

Section numbers are from MasterFormat 1995 Edition, with numbers from MasterFormat 2004 Edition in parentheses.  Delete version not required.

SECTION 08562 (08 53 13)

VINYL RADIUS WINDOWS

Specifier Notes:  This section covers “Encompass by Pella” vinyl radius windows.  Frame and sash are manufactured from extruded, rigid polyvinylchloride (uPVC) material, with heat-fused mitered corners for a fully welded corner assembly.  Consult your local Pella representative for assistance in editing this section for the specific application.

PART 1	GENERAL

1.1	SECTION INCLUDES

A.	Vinyl radius windows.

1.2	RELATED SECTIONS

Specifier Notes:  Edit the following list of related sections as required for the project.  List other sections with work directly related to this section.

A.	Section 07270 (07 27 00) – Air Barriers:  Water-resistant barrier.

B.	Section 07920 (07 92 00) – Joint Sealants:  Sealants and caulking.

1.3	REFERENCES

Specifier Notes:  List standards referenced in this section, complete with designations and titles.  This article does not require compliance with standards, but is merely a listing of those used.

A.	American Architectural Manufacturers Association (AAMA):
1.	AAMA 303 - Voluntary Specification for Poly (Vinyl Chloride) (PVC) Exterior Profile
Extrusions; American Architectural Manufacturers Association.
2.	AAMA 502 – Voluntary Specification for Field Testing of Windows and Sliding Doors.

B.	ASTM International:
1.	ASTM C 1036 – Flat Glass.
2.	ASTM C 1048 – Heat-Treated Flat Glass--Kind HS, Kind FT Coated and Uncoated Glass.
3.	ASTM D 1929 – Standard Test Method for Determining Ignition Temperature of Plastics.
4.	ASTM E 283 – Rate of Air Leakage Through Exterior Windows, Curtain Walls and Doors Under Specified Pressure Difference Across the Specimen.
5.	ASTM E 547 - Water Penetration of Exterior Windows, Curtain Walls and Doors by Cyclic Static Air Pressure Differential.
6.	ASTM E 1105 –  Standard Test Method for Field Determination of Water Penetration of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference.

C.	Window and Door Manufacturers Association (WDMA):
1.	ANSI/AAMA/NWWDA 101/I.S.2 – Voluntary Specifications for Aluminum, Vinyl (PVC) and Wood Windows and Glass Doors.

1.4	PERFORMANCE REQUIREMENTS

Specifier Notes:  Performance ratings for “Encompass by Pella” vinyl radius windows vary by product and size.  Current performance information is found in the “Encompass by Pella” Architectural Design Manual at www.pellaadm.com on the Design Data pages of each product section.  Consult your local Pella representative for more information.

A.	Windows shall meet Rating FW-R-PG[ _____ ] specifications in accordance with ANSI/AAMA/NWWDA 101/I.S.2/A440-08 or ANSI/AAMA/NWWDA 101/I.S.2/A440-11.

B.	Window Air Leakage, ASTM E 283:  Window air leakage when tested at 1.57 psf (25 mph) shall be 0.30 cfm/ft2 of frame or less.

C.	Window Water Penetration, ASTM E 547:  No water penetration through window when tested under static pressure of [4.5 psf (42 mph)] [5.25 psf (45 mph)] after 4 cycles of 5 minutes each, with water being applied at a rate of 5 gallons per hour per square foot.

1.5	SUBMITTALS

A.	Comply with Division 1 requirements.

B.	Product Data:  Submit manufacturer's product data, including installation instructions.

Specifier Notes:  Delete the following sentence if shop drawings are not required.

C.	Shop Drawings:  Submit manufacturer's shop drawings, indicating dimensions, construction, component connections and locations, anchorage methods and locations, hardware locations, and installation details.

Specifier Notes:  Delete the following sentence if samples are not required.

D.	Samples:  Submit full-size or partial full-size sample of vinyl radius windows illustrating glazing system, quality of construction, and color of finish.

E.	Warranty:  Submit manufacturer’s standard warranty.

1.6	QUALITY ASSURANCE

Specifier Notes:  Edit the following paragraph as required for inclusion of field testing.

A.	Mockup:
1.	Provide sample installation for field testing window performance requirements and to determine acceptability of window installation methods.
2.	Approved mockup shall represent minimum quality required for the Work.

Specifier Notes:  Edit the following sentence as required for inclusion of the mockup.

3.	Approved mockup shall [not] remain in place within the Work.

1.7	DELIVERY, STORAGE, AND HANDLING

A.	Delivery:  Deliver materials to site undamaged in manufacturer's or sales branch's original, unopened containers and packaging, with labels clearly identifying manufacturer and product name.  Include installation instructions.

B.	Storage:
1.	Store materials in accordance with manufacturer's instructions.
2.	Store materials off ground and under cover.
3.	Protect materials from weather, direct sunlight, and construction activities.

C.	Handling:  Protect materials and finish during handling and installation to prevent damage.

PART 2	PRODUCTS

2.1	MANUFACTURER

A.	Pella Corporation, 102 Main Street, Pella, Iowa 50219.  Toll Free (800) 54-PELLA.  Phone (641) 621-1000.  Website www.pella.com.

2.2	VINYL RADIUS WINDOWS

A.	Vinyl Radius Windows:  Encompass by Pella.
1.	Factory-assembled windows with glass installed in frame.
2.	Frame and Sash Material:  Extruded, rigid polyvinylchloride (uPVC) complying with AAMA 303, having minimum ignition temperature 824 degrees F. when tested in accordance with ASTM D 1929.

Specifier Notes:  Specify frame type. Integral vinyl fin with on all four sides with heat-fused, mitered corners and can be used with vinyl, aluminum, or steel siding.

Block frames (No Fin) can be used in new block walls or as replacement windows in pocket applications.

B.	Frame:
1.	Type:
a.	Integral fin.
b.	Block Frames (No Fin). 
c.      Flush Flange.

Specifier Notes:  Specify overall frame depth.

2.	Overall Frame Depth:
a.	Integral Fin Frame: [2-11/16 inches for 1-1/4-inch wall depth] [3-3/8 inch for 1-15/16 inch wall depth].
b.	Block Frame: [2-11/16 inches] [3-3/8 inches].
c.	Flush-Flange Frame: [2-11/16 inch] [3-3/8 inch] [Double-Wall 3-3/8 inch].
3.	Nominal Wall Thickness, Vinyl Members:  0.065 inch to 0.075 inch.
4.	Frame Corners:
a.	Mitered.
b.	Heat-fused, fully welded corners.
5.	Sill:  Fitted with weeps.

Specifier Notes:  Include the following sentence when specifying block frames and flush-flange frames.

6.	Jambs:  Factory-drilled, counter-bored, installation screw holes.

C.	Glazing:
1.	Float Glass:  ASTM C 1036, Quality 1.

Specifier Notes:  Delete the following sentence if tempered glass is not specified.

a.	Tempered Glass:  ASTM C 1048.
2.	Type:  Exterior face-glazed, 3/4-inch, sealed insulating glass.

Specifier Notes:  Specify type of glass.  Delete glass types not required.

Tempered glass is an option for each type of glass.

High-altitude glass is an option for most of the types of glass.  High-altitude glass does not contain argon.  When high-altitude glass is specified, delete “with argon”.  Consult your local Pella representative for more information.

a.	Clear [tempered] [high-altitude] glass.
b.		Double-layer low-E2 coated [tempered] [high-altitude] glass.
c.	[Double-layer low-E2 coated] [High performance low-E3 coated], [tempered] [high-altitude] glass with argon.
d.	Bronze, double-layer, low-E2 coated, [tempered] [high-altitude] glass with argon.
e.	[Fern (Glue Chip)] [P62] [Rain] Obscure [tempered] [high-altitude] glass.
f.	[Fern (Glue Chip)] [P62] [Rain] Obscure, [double-layer low-E2 coated] [high performance low-E3 coated], [tempered] [high-altitude] glass with argon.

2.3	OPTIONS

Specifier Notes:  Delete optional grilles if not required.  Consult your local Pella representative for more information.

A.	Grilles:

Specifier Notes:  Specify grille profile.

1.	Profile: [3/4-inch contoured]  [5/8-inch flat].
2.	Type:  Aluminum grilles-between-the-glass.
3.	Finish:  Factory finished.
a.	Color: Match window frame.

2.4	TOLERANCES

A.	Windows shall accommodate the following opening tolerances:
1.	Horizontal Dimensions Between High and Low Points:  Plus 1/4 inch, minus 0 inch.
2.	Width Dimensions:  Plus 1/4 inch, minus 0 inch.
3.	Building Columns or Masonry Openings:  Plus or minus 1/4 inch from plumb.

2.5	FINISH

A.	Window Frame Vinyl Extrusions:  Integral color throughout profile.

B.	Exposed Surfaces:  Smooth, glossy, and uniform in appearance.

Specifier Notes:  Specify the color.

C.	Color:  [White]  [Almond]  [Fossil].

2.6	INSTALLATION ACCESSORIES

Specifier Notes:  Flashing/sealant tape is not used for flush-flange frame windows.

A.	Flashing/Sealant Tape:  Pella SmartFlash.
1.	Aluminum-foil-backed butyl window and door flashing tape.
2.	Maximum Total Thickness:  0.013 inch.
3.	UV resistant.
4.	Verify sealant compatibility with sealant manufacturer.

B.	Interior Insulating-Foam Sealant:  Low-expansion, low-pressure polyurethane insulating window and door foam sealant.

C.	Exterior Perimeter Sealant: “Pella Window and Door Installation Sealant” or equivalent high quality, multi-purpose sealant as specified in the joints sealant section.

PART 3	EXECUTION

3.1	EXAMINATION

A.	Examine areas to receive vinyl radius windows.  Notify Architect of conditions that would adversely affect installation or subsequent use.  Do not proceed with installation until unsatisfactory conditions are corrected.

3.2	INSTALLATION

A.	Install vinyl radius windows in accordance with manufacturer's instructions.

B.	Install vinyl radius windows to be weather-tight.

C.	Maintain alignment with adjacent work.

D.	Secure assembly to framed openings, plumb and square, without distortion.

Specifier Notes:  The following paragraph applies to vinyl radius windows installed using installation fins only.  If the windows are not being installed with installation fins, delete the following paragraph.

E.	Integrate vinyl radius window installation with exterior weather-resistant barrier using flashing/sealant tape.  Apply and integrate flashing/sealant tape with weather-resistant barrier using watershed principles in accordance with window manufacturer's instructions.

F.	Seal vinyl radius windows to exterior wall cladding with sealant and related backing materials at perimeter of assembly.

G.	Place interior seal around vinyl window perimeter to maintain continuity of building thermal and air barrier using [backer rod and sealant] [insulating-foam sealant].

Specifier Notes:  Field testing is optional.  Delete Field Quality Control if field testing is not required.  If Field Quality Control is deleted, delete AAMA 502 from Article 1.3 References in this section.

3.3	FIELD QUALITY CONTROL

A.	Field Testing:  Field water testing shall be conducted in accordance with ASTM E1105 Test Procedure B. The test pressure shall be based on the maximum positive components and cladding design pressure. Utilizing the AAMA 502 field test reduction, the water test pressure is 10% of the maximum positive design pressure.

3.4	CLEANING

A.	Clean vinyl radius windows in accordance with manufacturer's instructions.

B.	Do not use harsh cleaning materials or methods that would damage finish or glass.

C.	Remove labels and visible markings.

D.	Keep weep holes open and clear of obstructions.

3.5	PROTECTION

A.	Protect installed vinyl radius windows to ensure that, except for normal weathering, windows will be without damage or deterioration at time of substantial completion.

END OF SECTION