Introducing the

Solatube® SkyVault™ Series M74 DS

.

SkyVault M74 DSSize Matters

• Largest tubular daylighting device yet

• Ideal for large volume spaces with high ceilings – Airports– Warehouses– Manufacturing facilities– Retail centers

• Maximum output with minimal impact on the building envelope

• Significantly reduced installation costs

SkyVault M74 DSYour “portal” to the sky

• M74 DS Daylighting System is the core of the new SkyVault Series

• 74 cm (29 in.) diameter• Nearly two times the aperture

and collection capability of our SolaMaster® Series

• More light, higher daytime illuminance

• Greater spacing between units with fewer roof penetrationsSolaMaster 750 DS-O SkyVault M74 DS-O

SkyVault M74 DSYear-round temperature control

• Maintain and control a comfortable interior temperature • Insulated, sealed curb cap flashings minimize heat gain/heat

loss through the roof• Dual dome option improves thermal efficiency even more• Reduces glare and minimizes traveling hot spots below• Visible light transmission second to none

SkyVault M74 DSLabor-saving installation

• Minimal labor and waste

• Pre-assembled roof and diffuser modules to speed installation

• Revolutionary Tab-Lock Connection System with Screwless Tube Belts eliminates unsightly, labor-intensive seam tape

• Minimal packaging, adhering to USGBC LEED construction waste management requirements

• Reduces installation time and excess packaging to save time and money

Big tubes for big spaces

.

Solatube SkyVault M74 DSApplications

• High Bay (18’+ floor to ceiling heights)

• Types of Applications:– Industrial

• Warehouse, Manufacturing, Production

– Airports• Hangars, Concourse, Terminals

– Convention Centers, Exhibit Halls– Atriums, Lobbies– Sports Complexes, Arenas,

Gymnasiums– Medium & Big Box Retail

Solatube SkyVault M74 DS

Solatube SkyVault M74 DSComponentsOuter Dome

• High-impact polycarbonate filters out harmful UV rays

Optional Inner Dome• Optional Inner Dome can be added

as a pre-installed option• Improves thermal performance

Optional Security Guard• Optional Security Guard comes pre-

installed • Stainless steel wire grid inserts into

the flashing turret across the diameter of the opening

Curb Cap Flashing• Flashing features a curb cap that uses

R-6 rigid insulation• All joints come pre-sealed• Includes Dome Edge Protection Band

to achieve a rooftop fire rating

Tube Belt• Patented Tube Belt cinches the tube

connection • Prevents gaps and provides a

tapeless, self-sealing joint

Diffuser Assembly• Prismatic Diffuser comes pre-

assembled • Easily attaches to extension tubes

using the Tab-Lock Connection System and Tube Belts

• Circular shape is designed for open ceiling applications

Extension Tubes• Revolutionary Tab-Lock Connection

System with Tube Belts• Eliminates need for screws and tape• Comes in 24 in. and 48 in. lengths

Single Dome

Single Dome with Security Dual Dome with Security

Dual Dome

Solatube SkyVault M74 DSRoof Configurations

Solatube SkyVault M74 DSFeatures

Tube Belt Latch Riveted Seam Tube Tab Lock

Corner Bracket Dome Clamp Dome Edge Protection Band

Solatube SkyVault M74 DSInstallation

• Quick and easy top-down installation for short tube configurations

SkyVault M74 DS InstallationMock Installations

• Comparison Installations:– Solatube SolaMaster 330 DS-O, 750 DS-O and SkyVault M74 DS-O– Installed on mockup roof– Pre-installed curbs– Product unpacked and ready for install

Product Components Included in Mock Installations

Part # Solatube M74 DS Part # Solatube 330 DS Part # Solatube 750 DS

125000 M74 DS Dual Dome with Security Guard 512000 330 DS Dome and Tube Ring 512020 750 DS Dome and Tube Ring

300475 48" Extesnion Tube with Tab Lock 201130 Curb Mounted 510400 Inner Dome - Acrylic

420995 M74 DS Prismatic Diffuser Assembly 300490 48" Extension Tube 480000 Dome Security Guard

420200 Prismatic Diffuser 400675 Dome Edge Protection Band

201120 No Pitch 11" High

300490 48" Extension Tube

420200 Prismatic Diffuser

SkyVault M74 DS InstallationTiming Comparison

• M74 DS-O– 9 minutes, 40 seconds

• 9-12 minute installation with proper equipment & preparation

• Over 30% time savings!

• 330 DS-O– 14 minutes, 49 seconds

• 750 DS-O – 19 minutes, 49 seconds

SkyVault M74 DS InstallationTools Required

• Rivet Gun– Power/Air Rivet Gun is highly

recommended

• Rivet Attachment– Interesting Option is the RiveDrill– Blind Rivet drill attachment for power

drills, converts cordless drills into a pop-rivet gun• Model: RiveDrill RT120HP for 14V Drills• Website: www.RiveDrill.es • Cost: $271 at www.Grainger.com & $168

at www.S-BGroup.com • Video:

Solatube SkyVault M74 DSPerformance

Solatube M74 DS-O with L2 (K12) Diffuser Dual-Glazed DPP Single-Glazed DP

Sky ConditionSolar

Altitude (˚)Lumen Input*

DPP Lumen Output

DPP Efficiency

DP Lumen Output

DP Efficiency

Clear 10 5579 1793 32.1% 2551 45.7%Clear 20 13362 4213 31.5% 5144 38.5%Clear 30 21365 9163 42.9% 10492 49.1%Clear 40 28774 16520 57.4% 18422 64.0%Clear 50 35224 23623 67.1% 26260 74.6%Clear 60 40472 28887 71.4% 31890 78.8%Clear 70 44344 32404 73.1% 35783 80.7%Clear 80 46717 33358 71.4% 36798 78.8%Clear 90 47516 35330 74.4% 39041 82.2%

Cloudy 50 6700 3974 59.3% 4460 66.6%

Solatube SkyVault M74 DSPerformance

10 20 30 40 50 60 70 80 900

5000

10000

15000

20000

25000

30000

35000

40000

45000

50000M74 DS-O Clear Sky Lumen Summary

Input

DP Single-Glazed Output

DPP Dual-Glazed Output

Solar Altitude Angle (˚)

Lum

ens

10 20 30 40 50 60 70 80 900.0%

10.0%

20.0%

30.0%

40.0%

50.0%

60.0%

70.0%

80.0%

90.0%M74 DS-O Clear Sky System Efficiency

DP Single-Glazed Dome

DPP Dual-Glazed Dome

Solar Altitude Angle (˚)

Efficie

ncy

Solatube SkyVault M74 DSPerformance Comparison

• M74 DS-O Clear Sky “Design Average” usable output of 1.3 to 1.5 times the usable output of a Solatube 330 DS-O

* Initial Pario Engineering estimates of lumen output for a CIE Clear Sky with a solar position of SALT = 40⁰ and a Solar Azimuth of 60°

Series Product Materials Performance @ 40° SALT (Lumens)*

330 DS-O Units Replaced

SolaMaster 330 DS-O L2 Acrylic outer Dome 9,404 N/A

SkyVault M74 DS-O DP-L2 PC outer dome 13,604 1.45

SkyVault M74 DS-O DPP-L2PC outer dome w/PETG inner

dome12,108 1.29

• CIE Overcast Sky, Middle America– Single Dome M74 DS-O-DP provides increased overcast sky winter

performance over the 330 DS-O

5:007:00

9:0011:00

13:0015:00

17:0019:00

0

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

Summer O

utpu

t (Lu

men

s)

Solatube SkyVault M74 DSSeasonal Performance

7:008:00

9:0010:00

11:0012:00

13:0014:00

15:0016:00

17:000

500

1000

1500

2000

2500

3000

Winter

Out

put (

Lum

ens)

6:007:00

8:009:00

10:0011:00

12:0013:00

14:0015:00

16:0017:00

18:000

500

1000

1500

2000

2500

3000

3500

4000

4500

Spring/Fall

Out

put (

Lum

ens)

M74 DS-O-DP M74 DS-O-DPP 330 DS-O-DA-L2 750 DS-O-DAI-L2

Solatube SkyVault M74 DSU-Factor & SHGC Ratings

• NFRC Ratings for M74 DS-O-DPP-L2(National Fenestration Rating Council)

– U-Factor: 1.06 BTU/hr-ft2-ºF– SHGC: 0.30(Solar Heat Gain Coefficient)

Solatube SkyVault M74 DSWebpages

Solatube SkyVault M74 DSTechnical Resources

• www.solatube.com/support/technical-resources– Architectural Specifications– CAD Drawings– Cut Sheet– Installation Instructions– Codes & Approvals– Product Literature

Solatube SkyVault M74 DSSolatube Design Calculator

• M74 DS-O-DP and M74 DS-O-DPP versions fully supported

• Trained Daylighting Consultants can assist with running light studies for your projects to determine spacing for target light levels

• Single point in time and annualized calculations

• Largest tubular daylighting device yet

• More daylight, less roof penetrations• Faster, easier installation for

significantly reduced labor costs• Ideal for large volume spaces with

high ceilings – Airports– Warehouses– Manufacturing facilities– Retail centers

• Maximum output with minimal impact on the building envelope

• Better thermal performance for universal climate applications

SkyVault M74 DSConclusion